Here are the top 200 Meetup Groups according to Meetup.com

Name City Country Focus Members Contact Name
Hackers and Founders Mountain ViewUSHackers/Founders 15418Jonathan Nelson
Designers + Geeks San FranciscoUSDesigners + Geeks 15086Joe Robinson
SF Data Science San FranciscoUSData Scientists 14497Galvanize
Google Developer Group Silicon Valley Mountain ViewUSGoogle Developers 13332Peter Mooshammer
The New York Python Meetup Group New YorkUSPython Programmers and Users 13130James Powell
Women Who Code NYC New YorkUSBadass Female Coders 12085Women Who Code
Women Who Code SF San FranciscoUSCoders 11978Women Who Code
Code Crew - Learn to Code! New YorkUSSwabbies 11620Jamal
San Francisco Python Meetup Group San FranciscoUSPython Programmers 11268Grace Law
Designers + Geeks New York New YorkUSDesigners + Geeks 10562Joe Robinson
Toronto - Cognitive, AI & Data Science Meetup TorontoCAMembers 10404Polong Lin
Silicon Valley Machine Learning Mountain ViewUSData Coders 10156Bill Kish
PyDelhi - Python Delhi User Group DelhiINPython lovers 9596Raman
Open Source Bangalore BangaloreINhackers 9325Jeeva
Machine Learning, Big Data e Engenharia São PauloBRMachine Learners 8824Silbermann Thierry
Women Who Code DC WashingtonUSCoders 8734Women Who Code
106 Miles Palo AltoUS106ers 8653Adam
The Boston Python User Group CambridgeUSPythonistas 8359Ned Batchelder
PyData London Meetup LondonGBmembers 8243PyData/NumFOCUS
Hyderabad Python Meetup Group HyderabadINHyPy 7943Bhargava Subhash Kalluri
Zalando Tech Events Berlin BerlinDEZalandos 7685Zalando Tech Events
BangPypers - Bangalore Python Users Group BangaloreINPythonistas 7682Python Software Society of India
Bay Area Software Engineers (BASE) San FranciscoUSSoftware Engineers 7673Michael Latulippe
Data Science Festival - London LondonGBData Scientists 7659David Loughlan
Big Data, Paris ParisFRData Lovers, Paris 7528Dan Gray
she codes(tlv); Tel Aviv-YafoILCoders 7415Ruth Polachek
PythonPune PuneINPythonsitas 7311Python Software Society of India
VanDev: Vancouver's Software Developers Network VancouverCASoftware Industry Professionals 6878Cliff Hammerschmidt
Boston Machine Learning CambridgeUSDevelopers 6790Gideon Wulfsohn
Puget Sound Programming Python (PuPPy) SeattleUSPythonistas 6752Don Sheu
NYC Open Data New YorkUSData Scientists and Open Data-er 6650Shangxuan Vivian Zhang
SF Bay Cloud Native Open Infra Palo AltoUSStackers & Hackers 6617Lisa-Marie Namphy
Istanbul Coders IstanbulTRCoder 6554Selim Öber
New York MongoDB User Group New YorkUSMembers 6489MongoDB
Grupy-SP São PauloBRPythonistas 6488Eric Hideki
Hacker Hours New YorkUSHaxors 6371Aidan Feldman
Taipei.py - Taipei Python User Group TaipeiTWPythonistas 6363timyellow
Python Istanbul IstanbulTRPythonistas 6013Oğuz Albayrak
Tech Talks @ AppNexus NYC New YorkUSMembers 5991AppNexus Tech Community
Scala + Python + Spark + Data Science New YorkUSMembers 5963sean reed
Learn Python NYC New YorkUSPython Enthusiasts and Learners 5920Paul Logston
Statistical Programming DC WashingtonUSdc-hackeRs 5859Data Community DC
The Austin Python Meetup AustinUSPython Programmers 5592Peter Wang
Women Who Code London LondonGBCoders 5424Women Who Code
Women Who Code Silicon Valley SunnyvaleUSCoders 5324Women Who Code
Byte Academy: Python, FinTech, Blockchain,DataSci, Quant New YorkUSMembers 5289Emily H
Bay Area Machine Learning Santa ClaraUSMembers 5238John Park
PyAtl: Atlanta Python Programmers AtlantaUSPython Programmers 5185Cameron Lane
London Python LondonGBPythonistas 5155Patrick Morris
Silicon Valley Python Meetup Mountain ViewUSPythonistas 5127Glen Jarvis
PyLadies of San Francisco San FranciscoUSPythonistas 5104Michelle Glauser
Python Madrid MadridESPythonistas 5092Paradigma
StarsConf meetup SantiagoCLSlackers 5019Jorge Alberto Rodríguez Suárez
Seattle Data Science SeattleUSData Scientists 4993Galvanize
Bay Area Hackathons San FranciscoUSHackers 4966Raj
Python Ireland DublinIEPythonista 4952Diarmuid Bourke
Code for Boston CambridgeUSCivic Innovators 4922Code for America Brigade
RIoT RaleighUSRIoTers 4922Tom Snyder
Deep Learning Paris Meetup ParisFRdeeplearners 4856Tony Pinville
PyData Delhi DelhiINPyDataers 4800Manoj Pandey
New York Data Science Study Group New YorkUSData Science Padawans 4706Eric Xu
PyData Tel Aviv Tel Aviv-YafoILMembers 4688Iddo Berger
PyData Singapore SingaporeSGData Pythonistas 4524Adam Drake
Python Users Berlin (PUB) BerlinDEPythonistas 4522Veit Schiele
Aegis-IBM Data Science, Big Data, Analytics, AI, ML, DL MumbaiINBIG DATA Lovers 4422Aegis School of Data Science
Arte e Programação São PauloBRPessoas 4417Alexandre Villares
Sydney Python (SyPy) SydneyAUPythonistas 4331Xuanyi Chew
Learn to Code Seattle SeattleUSAspiring Coders 4321Galvanize
Singapore Python User Group SingaporeSGPythonistas 4265vanzaj
Machine Learning and Blockchain HyderabadINFuturists 4233rahul jain
Sthlm Spotify Tech Group StockholmSEMusic Hackers 4201Lars-Erik Stenholm
Practical Data Science BangaloreINData Scientists 4151Amit Kapoor
PyData Berlin BerlinDEmembers 4051PyData/NumFOCUS
Madrid DevOps MadridESdevops 3990txetxu Velayos
ChiPy: Chicago's Official Python User Group ChicagoUSchipmunks 3981Adam Bain
Data Scientists Ireland DublinIEMembers 3932Data Scientists Ireland
Hack && Tell New YorkUSHackers 3922Danielle Sucher
Pittsburgh Code & Supply PittsburghUSMembers 3913Code & Supply
Women Who Code Boston BostonUSCoders 3886Women Who Code
PyData NYC New YorkUSmembers 3876PyData/NumFOCUS
Data Science Philadelphia (DataPhilly) PhiladelphiaUSDataists 3859Michael Becker
Machine Learning Spain MadridESMachine Learners 3821juantomas
Istanbul Spark Meetup IstanbulTRSpark Learner 3813Şafak Serdar Kapçı
CodeUp Manchester ManchesterGBCoders 3807CodeUp Admin
Melbourne Web Developers MelbourneAUDevs 3797Emma
Data Science for Sustainability San FranciscoUSMembers 3766Mimi Zhang
Toronto Hack and Tell TorontoCAHackers 3758Alex E
Montréal-Python MontréalCAPythonistas 3735Mathieu Leduc-Hamel
NYC Women in Machine Learning & Data Science New YorkUSMembers 3711Sinziana E.
Data Wranglers DC WashingtonUSData Wranglers 3673Data Community DC
London Data Science Workshop LondonGBData hackers 3649Alex Glaser
Austin Data Science AustinUSData Scientists 3589Galvanize
Dev Japan TokyoJPmembers 3574Caven Cade Mitchell
Boston Software Engineers BostonUSSoftware Engineers 3555Michael Latulippe
London Data Science #ODSC LondonGBData Scientists 3554Mammad Mahmoodi
Houston Data Science HoustonUSLearners 3545Ted Petrou
Women Who Code Berlin BerlinDEMembers 3541Women Who Code
BAyPIGgies Mountain ViewUSPythonistas 3495Jeff Fischer
Boston Predictive Analytics CambridgeUSMembers 3464John Verostek
Learn to Code | Thinkful Atlanta AtlantaUSMembers 3463Ivy Rueb
LA Web/Mobile Software Entrepreneurs Santa MonicaUSFuture Billionaires 3459Craig FS
Bay Area Full Stack Mountain ViewUSnvirters 3435Vikram Dham
Code Oregon PortlandUSStudents 3413Jenny W
Stacja IT Warszawa WarsawPLMembers 3411Maria Nowakowska
Delhi MongoDB User Group DelhiINMembers 3391MongoDB
Full-Stack Engineering New YorkUSFull-stack Engineers 3373Michael Boufford
GDG Tel Aviv Tel Aviv-YafoILGDGers 3359James Lebowitz
Austin Data AustinUSDatanauts 3218Peter Wang
NYC PyLadies New YorkUSPythonistas 3197NYC PyLadies
San Francisco MongoDB User Group San FranciscoUSMongoDB Fans 3180MongoDB
Community Hack Night Los AngelesUSMembers 3180Dubie
San Diego Python Users Group San DiegoUSPython Developers 3174Carol Naslund Willing
PyData Chicago ChicagoUSPyDataneers 3174PyData/NumFOCUS
Melbourne Python Charmers Meetup Group MelbourneAUPythoneers 3148Ed Schofield
PyData São Paulo São PauloBRMembers 3131Adriano Almeida
Portland Data Science Group PortlandUSData Hackers 3116Kinga
New York Artificial Intelligence In Healthcare New YorkUSMembers 3102Anthony Albertorio
Code Self Study BerkeleyUSProgrammers 3100Josh
Python Medellín MedellínCOPythoneers 3067John Roa
Django-NYC New YorkUSDjangonauts 3055Geoffrey Sechter
NYC Data Wranglers New YorkUSData Scientists 3052Alexander Leeds
Memphis Technology User Groups MemphisUSTechies 2966Bryan Robinson
Women Who Code Portland PortlandUSCoders 2953Women Who Code
PyData Warsaw WarsawPLMachine Learners 2949PyData/NumFOCUS
The San Francisco Django Meetup Group San FranciscoUSDjangonauts 2948Rudy Mutter
Tech Talk DC ArlingtonUSPolyglots 2941Doguhan Uluca
DFW Pythoneers RichardsonUSPythoneers 2923Jeff Rush
Portland Python User Group PortlandUSPython Programmers 2907Jay McGrath
NOVA-Python RestonUSPythonistas 2903Ryan Day
Citizen Data Scientists - Melbourne MelbourneAUData Scientists 2887Sudarshan Roy
SoCal Python Los AngelesUSPythonista 2878Michael R
Barcelona Python Meetup BarcelonaESPythonistas 2858David Arcos
Hyderabad Python and Django Meetup Group HyderabadINMembers 2845Ashwin Kumar
FrenchData ParisFRData Frenchies 2844Christophe Bourguignat
Python Toronto TorontoCAPython Developers 2833Ash Christopher
Amsterdam Python Meetup Group AmsterdamNLPythonistas 2833Byte
Metis: Seattle Data Science SeattleUSAspiring Data Scientists 2811Metis
DataStax Cassandra South Bay Users CupertinoUSCassandra Rebels 2808DataStax
The Philadelphia Python Users Group (PhillyPUG) PhiladelphiaUSPythonistas 2788Maneesha Sane
Boston Apache Spark User Group CambridgeUSSpahk Enthusiasts 2751Joseph Kambourakis
Algorithmic Art LondonGBAlgorithmic Artists 2732Tariq Rashid
New York City PostgreSQL User Group New YorkUSDatabase Users 2729Mason Sharp
IoT, Electronics, Data Science & Cybersecurity - CHENNAI ChennaiINMembers 2698Suniel Kumar
Django Boston Meetup Group CambridgeUSDjangonauts 2693Nate Aune
PyHou - Houston Python Enthusiasts! HoustonUSPythoneers 2681Karl Ulbrich
PyData Atlanta AtlantaUSMembers 2672Jeremy Jacobson
Python for Quant Finance LondonGBPython Quants 2666Yves Hilpisch
Women Who Code Singapore SingaporeSGMembers 2636Women Who Code
Serverless San FranciscoUSMembers 2623Serverless User Group
San Francisco Data Science #ODSC San FranciscoUSData Scientists 2607Mammad Mahmoodi
PyData Amsterdam AmsterdamNLMembers 2604PyData/NumFOCUS
London Data Science Journal Club LondonGBMembers 2594Lev Konstantinovskiy
Paris.py (Python, Django & friends) ParisFRPythonistas 2544Sylvain Zimmer
PyMNtos - Twin Cities Python User Group MinneapolisUSPythonistas 2536Python Minnesota
MATH View Algorithm Design (MATHVAD) Palo AltoUSAlglorist Coders 2532Suresh B Velagapudi
Python ID JakartaIDPython-ers 2531Edwin Lunando
ThaiPy - Bangkok Python Meetup BangkokTHLovers of code 2523Dylan Jay
Mumbai Big Data Analytics Meetup MumbaiINMembers 2518Defour Analytics
Data Science Lab LondonGBData Ninjas 2489Angelina
Black Software Engineers of NYC BrooklynUSMembers 2466Devin Jackson
Developing with Data in San Francisco San FranciscoUSDevelopers 2449Scott Mitchell
PipelineAI Advanced Spark and TensorFlow Meetup (Toronto) TorontoCASpark and TensorFlow Experts 2448Chris Fregly
Chennaipy ChennaiINPythonistas 2444Vijay Kumar
Silicon Valley Data Science Practitioners San FranciscoUSPractitioners 2405Keyi Sun
Düsseldorf Data Science Meetup DüsseldorfDEData Hackers 2378Thomas Wiecki
Barcelona Spark Meetup BarcelonaESMembers 2366Ferran Galí i Reniu
IT Development Café AmsterdamNLDevelopment Heroes 2363Luca Prak
life michael tel aviv Tel Aviv-YafoILMembers 2352Haim Michael
Robot Developers Group - Bay Area San FranciscoUSMembers 2352Andra
New York Data Science #ODSC New YorkUSData Scientists 2347Mammad Mahmoodi
Central London Data Science Project Nights LondonGBMembers 2317Zack Akil
Python Data Science LA Santa MonicaUSMembers 2314Susana Min
DigitalCrafts | Learn to Code in Atlanta AtlantaUSBuilders 2277Max M.
Beijing Python BeijingCNPeking Pythonistas 2271Mike N
Women Who Code Sydney SydneyAUCoders 2266Women Who Code
Technology Job Seekers Greater Boston BostonUSProfessionals 2262Maureen
Chicago ML ChicagoUSMachine Learners 2255Garrett Smith
OCPython: US.CA.Orange County's Python Community Group IrvineUSMembers 2254Dan Stromberg
Learn to Code at the Denver Library DenverUSMembers 2250Alex Baker
Salt Lake City Python Salt Lake CityUSPythonistas 2244Faris
Data Science & Internet of Things (IoT) BangaloreINMembers 2243Suniel Kumar
Madrid MongoDB User Group MadridESMembers 2232MongoDB
Learn to code in 2018 LagosNGMembers 2231Adedipo Olagbegi
Skyway Software Symposium MinneapolisUStech folk 2226Kevin Behrens
Women Who Code Delhi DelhiINWomen Who Code-rs 2199Women Who Code
Dubai DevNights DubaiAEMembers 2197Seb Dietzel
Women Who Code East Bay OaklandUSCoders 2185Women Who Code
Python Bogotá BogotáCOPythonistas 2175Camilo Nova
PyData Paris ParisFRMembers 2175Sylvain Corlay
Ottawa Python Authors Group OttawaCAPythonistas 2162Ian Ward
Serverless London LondonGBMembers 2153Serverless User Group
Stockholm Google Developer Group StockholmSEGDGers 2150Sevil Güler
Artificial Intelligence ZA JohannesburgZAMembers 2148Rishal Hurbans
Analytics Vidhya Hyderabad HyderabadINMembers 2145Sunil
Belo Horizonte Python User Group Belo HorizonteBRPythonistas 2136Ervilis de Souza
Learning Data Science San FranciscoUSData Scientists 2134Galvanize
Designers + Geeks Boston CambridgeUSDesigners + Geeks 2120Joe
Women Who Code LA Culver CityUSCoders 2112Women Who Code
All Things Python SunnyvaleUSPythonistas 2101Ravi
Boston AI Network.com (Artificial Intelligence Group) BostonUSAI Enthusiasts 2097Chris Requena