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

Name City Country Focus Members Contact Name
Hackers and Founders Mountain ViewUSHackers/Founders 15385Jonathan Nelson
Designers + Geeks San FranciscoUSDesigners + Geeks 15233Joe Robinson
SF Data Science San FranciscoUSData Scientists 14607Galvanize
Google Developer Group Silicon Valley Mountain ViewUSGoogle Developers 13506Peter Mooshammer
The New York Python Meetup Group New YorkUSPython Programmers and Users 13497James Powell
Women Who Code NYC New YorkUSBadass Female Coders 12441Women Who Code
Women Who Code SF San FranciscoUSCoders 12176Women Who Code
Code Crew - Learn to Code! New YorkUSSwabbies 11600Jamal
San Francisco Python Meetup Group San FranciscoUSPython Programmers 11430Grace Law
Toronto - Cognitive, AI & Data Science Meetup TorontoCAMembers 10609Polong Lin
Designers + Geeks New York New YorkUSDesigners + Geeks 10575Joe Robinson
Silicon Valley Machine Learning Mountain ViewUSData Coders 10134Bill Kish
PyDelhi - Python Delhi User Group DelhiINPython lovers 9997Raman
Machine Learning, Big Data e Engenharia São PauloBRMachine Learners 9632Silbermann Thierry
Open Source Bangalore BangaloreINhackers 9543Jeeva
Women Who Code DC WashingtonUSCoders 8890Women Who Code
106 Miles Palo AltoUS106ers 8681Adam
PyData London Meetup LondonGBmembers 8636PyData/NumFOCUS
The Boston Python User Group CambridgeUSPythonistas 8520Ned Batchelder
Hyderabad Python Meetup Group HyderabadINHydPy 8431Bhargava Subhash Kalluri
Data Science Festival - London LondonGBData Scientists 8078David Loughlan
BangPypers - Bangalore Python Users Group BangaloreINPythonistas 7960Python Software Society of India
Zalando Tech Events Berlin BerlinDEZalandos 7902Zalando Tech Events
Bay Area Software Engineers (BASE) San FranciscoUSSoftware Engineers 7665Michael Latulippe
PythonPune PuneINPythonsitas 7632Python Software Society of India
Big Data, Paris ParisFRData Lovers, Paris 7596Dan Gray
she codes(tlv); Tel Aviv-YafoILCoders 7426Ruth Polachek
Puget Sound Programming Python (PuPPy) SeattleUSPythonistas 6993Don Sheu
Istanbul Coders IstanbulTRCoder 6969Selim Öber
Boston Machine Learning CambridgeUSDevelopers 6795Gideon Wulfsohn
Grupy-SP São PauloBRPythonistas 6794Eric Hideki
NYC Open Data New YorkUSData Scientists and Open Data-er 6665Shangxuan Vivian Zhang
SF Bay Cloud Native Open Infra Palo AltoUSStackers & Hackers 6643Lisa-Marie Namphy
Python Istanbul IstanbulTRPythonistas 6574Oğuz Albayrak
Taipei.py - Taipei Python User Group TaipeiTWPythonistas 6527timyellow
Hacker Hours New YorkUSHaxors 6500Aidan Feldman
New York MongoDB User Group New YorkUSMembers 6488MongoDB
Learn Python NYC New YorkUSPython Enthusiasts and Learners 6073Jon Banafato
Scala + Python + Spark + Data Science New YorkUSMembers 6060sean reed
Tech Talks @ AppNexus NYC New YorkUSMembers 5982AppNexus Tech Community
Statistical Programming DC WashingtonUSdc-hackeRs 5902Data Community DC
Bay Area Machine Learning Santa ClaraUSMembers 5717John Park
The Austin Python Meetup AustinUSPython Programmers 5704Peter Wang
Women Who Code London LondonGBCoders 5562Women Who Code
Women Who Code Silicon Valley SunnyvaleUSCoders 5386Women Who Code
Byte Academy: Python, FinTech, Blockchain,DataSci, Quant New YorkUSMembers 5361Emily H
Python Madrid MadridESPythonistas 5357Paradigma
London Python LondonGBPythonistas 5348Patrick Morris
PyAtl: Atlanta Python Programmers AtlantaUSPython Programmers 5312Cameron Lane
PyLadies of San Francisco San FranciscoUSPythonistas 5266Michelle Glauser
StarsConf meetup SantiagoCLSlackers 5141Jorge Alberto Rodríguez Suárez
Silicon Valley Python Meetup Mountain ViewUSPythonistas 5128Glen Jarvis
Python Ireland DublinIEPythonista 5065Nicolas Laurance
Seattle Data Science SeattleUSData Scientists 5055Galvanize
RIoT RaleighUSRIoTers 5027Tom Snyder
PyData Delhi DelhiINPyDataers 5012Manoj Pandey
Deep Learning Paris Meetup ParisFRdeeplearners 5010Tony Pinville
Code for Boston CambridgeUSCivic Innovators 5004Code for America Brigade
PyData Tel Aviv Tel Aviv-YafoILMembers 4981Iddo Berger
Bay Area Hackathons San FranciscoUSHackers 4961Raj
PyData Singapore SingaporeSGData Pythonistas 4813Adam Drake
New York Data Science Study Group New YorkUSData Science Padawans 4776Eric Xu
Python Users Berlin (PUB) BerlinDEPythonistas 4656cusy
Aegis-IBM Data Science, Big Data, Analytics, AI, ML, DL MumbaiINBIG DATA Lovers 4600Aegis School of Data Science
Arte e Programação São PauloBRPessoas 4559Alexandre Villares
Learn to Code Seattle SeattleUSAspiring Coders 4505Galvanize
Sydney Python (SyPy) SydneyAUPythonistas 4497Xuanyi Chew
Machine Learning and Blockchain HyderabadINFuturists 4450rahul jain
Singapore Python User Group SingaporeSGPythonistas 4429vanzaj
PyData Berlin BerlinDEmembers 4347PyData/NumFOCUS
Sthlm Spotify Tech Group StockholmSEMusic Hackers 4196Lars-Erik Stenholm
Practical Data Science BangaloreINData Scientists 4189Amit Kapoor
ChiPy: Chicago's Official Python User Group ChicagoUSchipmunks 4154Adam Bain
Madrid DevOps MadridESdevops 4070txetxu Velayos
Data Scientists Ireland DublinIEMembers 4030Data Scientists Ireland
Women Who Code Boston BostonUSCoders 4003Women Who Code
Pittsburgh Code & Supply PittsburghUSMembers 3957Code & Supply
CodeUp Manchester ManchesterGBCoders 3942CodeUp Admin
Data Science Philadelphia (DataPhilly) PhiladelphiaUSDataists 3939Michael Becker
PyData NYC New YorkUSmembers 3917PyData/NumFOCUS
Hack && Tell New YorkUSHackers 3904Danielle Sucher
Machine Learning Spain MadridESMachine Learners 3889juantomas
Montréal-Python MontréalCAPythonistas 3866Mathieu Leduc-Hamel
London Data Science #ODSC LondonGBData Scientists 3840Sheamus
NYC Women in Machine Learning & Data Science New YorkUSMembers 3816Sinziana E.
Istanbul Spark Meetup IstanbulTRSpark Learner 3804Şafak Serdar Kapçı
Data Science for Sustainability San FranciscoUSMembers 3803Mimi Zhang
Melbourne Web Developers MelbourneAUDevs 3792Emma
Dev Japan TokyoJPmembers 3771Caven Cade Mitchell
London Data Science Workshop LondonGBData hackers 3752Alex Glaser
Toronto Hack and Tell TorontoCAHackers 3736Alex E
Women Who Code Berlin BerlinDEMembers 3714Women Who Code
Data Wranglers DC WashingtonUSData Wranglers 3687Data Community DC
Austin Data Science AustinUSData Scientists 3684Galvanize
Houston Data Science HoustonUSLearners 3642Ted Petrou
Stacja IT Warszawa WarsawPLMembers 3610Maria Nowakowska
BAyPIGgies Mountain ViewUSPythonistas 3561Jeff Fischer
Boston Software Engineers BostonUSSoftware Engineers 3549Michael Latulippe
Bay Area Full Stack Mountain ViewUSnvirters 3498Vikram Dham
Learn to Code | Thinkful Atlanta AtlantaUSMembers 3496Ivy Rueb
LA Web/Mobile Software Entrepreneurs Santa MonicaUSFuture Billionaires 3493Craig FS
Boston Predictive Analytics CambridgeUSMembers 3462John Verostek
Full-Stack Engineering New YorkUSFull-stack Engineers 3426Michael Boufford
Code Oregon PortlandUSStudents 3410Jenny W
Delhi MongoDB User Group DelhiINMembers 3396MongoDB
New York Artificial Intelligence In Healthcare New YorkUSMembers 3374Anthony Albertorio
Melbourne Python Charmers Meetup Group MelbourneAUPythoneers 3371Ed Schofield
Developers Tel Aviv Tel Aviv-YafoILDevelopers 3362James Lebowitz
NYC PyLadies New YorkUSPythonistas 3334NYC PyLadies
PyData Chicago ChicagoUSPyDataneers 3287PyData/NumFOCUS
PyData São Paulo São PauloBRMembers 3286Adriano Almeida
Community Hack Night Los AngelesUSMembers 3276Dubie
Python Medellín MedellínCOPythoneers 3263John Roa
San Diego Python Users Group San DiegoUSPython Developers 3254Carol Naslund Willing
Austin Data AustinUSDatanauts 3224Peter Wang
San Francisco MongoDB User Group San FranciscoUSMongoDB Fans 3173MongoDB
Portland Data Science Group PortlandUSData Hackers 3170Kinga
Code Self Study BerkeleyUSProgrammers 3162Josh
PyData Warsaw WarsawPLMachine Learners 3112PyData/NumFOCUS
Django-NYC New YorkUSDjangonauts 3096Geoffrey Sechter
Hyderabad Python and Django Meetup Group HyderabadINMembers 3067Ashwin Kumar
DFW Pythoneers PlanoUSPythoneers 3047Jeff Rush
NYC Data Wranglers New YorkUSData Scientists 3044Alexander Leeds
Women Who Code Portland PortlandUSCoders 3036Women Who Code
Memphis Technology User Groups MemphisUSTechies 3024Bryan Robinson
The San Francisco Django Meetup Group San FranciscoUSDjangonauts 3023Rudy Mutter
FrenchData ParisFRData Frenchies 3009Christophe Bourguignat
Tech Talk DC ArlingtonUSPolyglots 3000Doguhan Uluca
Algorithmic Art LondonGBAlgorithmic Artists 2981Tariq Rashid
Metis: Seattle Data Science SeattleUSAspiring Data Scientists 2975Metis
Citizen Data Scientists - Melbourne MelbourneAUData Scientists 2957Sudarshan Roy
Barcelona Python Meetup BarcelonaESPythonistas 2930David Arcos
SoCal Python Los AngelesUSPythonista 2930Michael R
Portland Python User Group PortlandUSPython Programmers 2927Jay McGrath
IoT, Electronics, Data Science & Cybersecurity - CHENNAI ChennaiINMembers 2920Suniel Kumar
Amsterdam Python Meetup Group AmsterdamNLPythonistas 2917Byte
NOVA-Python RestonUSPythonistas 2904Ryan Day
Python Toronto TorontoCAPython Developers 2896Ash Christopher
San Francisco Data Science #ODSC San FranciscoUSData Scientists 2893Vimal Patel
Learn to code in 2018 LagosNGMembers 2872Adedipo Olagbegi
The Philadelphia Python Users Group (PhillyPUG) PhiladelphiaUSPythonistas 2846Maneesha Sane
PyHou - Houston Python Enthusiasts! HoustonUSPythoneers 2807Karl Ulbrich
DataStax Cassandra South Bay Users CupertinoUSCassandra Rebels 2802DataStax
Women Who Code Singapore SingaporeSGMembers 2794Women Who Code
New York City PostgreSQL User Group New YorkUSDatabase Users 2790Mason Sharp
Boston Apache Spark User Group CambridgeUSSpahk Enthusiasts 2777Joseph Kambourakis
PyData Atlanta AtlantaUSMembers 2713Jeremy Jacobson
Mumbai Big Data Analytics Meetup MumbaiINMembers 2709Defour Analytics
Django Boston Meetup Group CambridgeUSDjangonauts 2708Nate Aune
Python for Quant Finance LondonGBPython Quants 2683Yves Hilpisch
PyData Amsterdam AmsterdamNLMembers 2682PyData/NumFOCUS
London Data Science Journal Club LondonGBMembers 2673Lev Konstantinovskiy
ThaiPy - Bangkok Python Meetup BangkokTHLovers of code 2660Dylan Jay
Serverless San FranciscoUSMembers 2639Serverless User Group
Black Software Engineers of NYC BrooklynUSMembers 2605Devin Jackson
Python ID JakartaIDPython-ers 2599Edwin Lunando
PyMNtos - Twin Cities Python User Group MinneapolisUSPythonistas 2592Python Minnesota
Paris.py (Python, Django & friends) ParisFRPythonistas 2573Sylvain Zimmer
IBM Code London LondonGBCoders 2553Mo Haghighi
Data Science Lab LondonGBData Ninjas 2548Angelina
IT Development Café AmsterdamNLDevelopment Heroes 2545Luca Prak
MATH View Algorithm Design (MATHVAD) Palo AltoUSAlglorist Coders 2523Suresh B Velagapudi
Chennaipy ChennaiINPythonistas 2510Vijay Kumar
Data Science & Internet of Things (IoT) BangaloreINMembers 2485Suniel Kumar
New York Data Science #ODSC New YorkUSData Scientists 2466Vimal Patel
life michael tel aviv Tel Aviv-YafoILMembers 2463Haim Michael
Developing with Data in San Francisco San FranciscoUSDevelopers 2457Scott Mitchell
Silicon Valley Data Science Practitioners San FranciscoUSPractitioners 2440Keyi Sun
Robot Developers Group - Bay Area San FranciscoUSMembers 2417Dan O
Chicago ML ChicagoUSMachine Learners 2401Garrett Smith
Central London Data Science Project Nights LondonGBMembers 2394Zack Akil
Barcelona Spark Meetup BarcelonaESMembers 2381Ferran Galí i Reniu
Düsseldorf Data Science Meetup DüsseldorfDEData Hackers 2374Thomas Wiecki
Salt Lake City Python Salt Lake CityUSPythonistas 2354Faris
Analytics Vidhya Hyderabad HyderabadINMembers 2354Sunil
Beijing Python BeijingCNPeking Pythonistas 2350Mike N
DigitalCrafts | Learn to Code in Atlanta AtlantaUSBuilders 2339Max M.
Serverless London LondonGBMembers 2331Serverless User Group
Python Data Science LA Santa MonicaUSMembers 2328Susana Min
Women Who Code Sydney SydneyAUCoders 2325Women Who Code
OCPython: US.CA.Orange County's Python Community Group IrvineUSMembers 2310Dan Stromberg
Stockholm Google Developer Group StockholmSEGDGers 2291Sevil Güler
Technology Job Seekers Greater Boston BostonUSProfessionals 2288Maureen
Analytics & Data Science by Dataiku London LondonGBDataikers 2278Alivia Smith
Madrid MongoDB User Group MadridESMembers 2275MongoDB
Learn to Code at the Denver Library DenverUSMembers 2273Alex Baker
Skyway Software Symposium MinneapolisUStech folk 2273Kevin Behrens
PyData Paris ParisFRMembers 2270Sylvain Corlay
Artificial Intelligence ZA JohannesburgZAMembers 2258Rishal Hurbans
Python BH Belo HorizonteBRPythonistas 2250Ervilis de Souza
Ottawa Python Authors Group OttawaCAPythonistas 2244Ian Ward
Women Who Code Delhi DelhiINWomen Who Code-rs 2243Women Who Code
Women Who Code East Bay OaklandUSCoders 2210Women Who Code
Boston AI Network.com (Artificial Intelligence Group) BostonUSAI Enthusiasts 2197Chris Requena
Python Bogotá BogotáCOPythonistas 2194Camilo Nova
Dubai DevNights DubaiAEMembers 2193Seb Dietzel
Women Who Code LA Culver CityUSCoders 2186Women Who Code
Learning Data Science San FranciscoUSData Scientists 2178Galvanize
Ukrainian Python User Groups KyivUAPythonistas 2168Volodymyr Hotsyk
Poland CodiLime Tech Talk WarsawPLLimes 2154CodiLime