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

Name City Country Focus Members Contact Name
Hackers and Founders Mountain ViewUSHackers/Founders 15378Jonathan Nelson
Designers + Geeks San FranciscoUSDesigners + Geeks 15316Joe Robinson
SF Data Science San FranciscoUSData Scientists 14742Galvanize
The New York Python Meetup Group New YorkUSPython Programmers and Users 13626James Powell
Google Developer Group Silicon Valley Mountain ViewUSGoogle Developers 13577Peter Mooshammer
Women Who Code NYC New YorkUSBadass Female Coders 12621Women Who Code
Women Who Code SF San FranciscoUSCoders 12221Women Who Code
Code Crew - Learn to Code! New YorkUSSwabbies 11594Jamal
San Francisco Python Meetup Group San FranciscoUSPython Programmers 11581Grace Law
Toronto - Cognitive, AI & Data Science Meetup TorontoCAMembers 10698Polong Lin
Designers + Geeks New York New YorkUSDesigners + Geeks 10566Joe Robinson
PyDelhi - Python Delhi User Group DelhiINPython lovers 10161Raman
Silicon Valley Machine Learning Mountain ViewUSData Coders 10139Bill Kish
Nubank Data Science & Machine Learning São PauloBRMachine Learners 9980Silbermann Thierry
Open Source Bangalore BangaloreINhackers 9529Jeeva
Women Who Code DC WashingtonUSCoders 9002Women Who Code
PyData London Meetup LondonGBmembers 8837PyData/NumFOCUS
106 Miles Palo AltoUS106ers 8705Adam
The Boston Python User Group CambridgeUSPythonistas 8581Ned Batchelder
Hyderabad Python Meetup Group HyderabadINHydPy 8565Bhargava Subhash Kalluri
Data Science Festival - London LondonGBData Scientists 8152David Loughlan
BangPypers - Bangalore Python Users Group BangaloreINPythonistas 8103Python Software Society of India
Zalando Tech Events Berlin BerlinDEAttendees 7964Zalando Tech Events
PythonPune PuneINPythonsitas 7762Python Software Society of India
Bay Area Software Engineers (BASE) San FranciscoUSSoftware Engineers 7655Michael Latulippe
Big Data, Paris ParisFRData Lovers, Paris 7596Ansela Manful
she codes(tlv); Tel Aviv-YafoILCoders 7436Ruth Polachek
Istanbul Coders IstanbulTRCoder 7220Selim Öber
Puget Sound Programming Python (PuPPy) SeattleUSPythonistas 7080Don Sheu
Grupy-SP São PauloBRPythonistas 6868Eric Hideki
Boston Machine Learning CambridgeUSDevelopers 6785Gideon Wulfsohn
Python Istanbul IstanbulTRPythonistas 6784Oğuz Albayrak
NYC Open Data New YorkUSData Scientists and Open Data-er 6673Shangxuan Vivian Zhang
SF Bay Cloud Native Open Infra Palo AltoUSStackers & Hackers 6648Lisa-Marie Namphy
Taipei.py - Taipei Python User Group TaipeiTWPythonistas 6624timyellow
Hacker Hours New YorkUSHaxors 6617Aidan Feldman
New York MongoDB User Group New YorkUSMembers 6483MongoDB
Scala + Python + Spark + Data Science New YorkUSMembers 6139sean reed
Learn Python NYC New YorkUSPython Enthusiasts and Learners 6130Jon Banafato
Tech Talks @ AppNexus NYC New YorkUSMembers 5978AppNexus Tech Community
Statistical Programming DC WashingtonUSdc-hackeRs 5914Data Community DC
Bay Area Machine Learning Santa ClaraUSMembers 5803John Park
The Austin Python Meetup AustinUSPython Programmers 5788Peter Wang
Women Who Code London LondonGBCoders 5571Women Who Code
Python Madrid MadridESPythonistas 5509Paradigma
Women Who Code Silicon Valley SunnyvaleUSCoders 5432Women Who Code
London Python LondonGBPythonistas 5426Patrick Morris
PyAtl: Atlanta Python Programmers AtlantaUSPython Programmers 5414Cameron Lane
Byte Academy: Python, FinTech, Blockchain,DataSci, Quant New YorkUSMembers 5364Emily H
PyLadies of San Francisco San FranciscoUSPythonistas 5356Michelle Glauser
PyData Delhi DelhiINPyDataers 5205Manoj Pandey
StarsConf meetup SantiagoCLSlackers 5168Jorge Alberto Rodríguez Suárez
Python Ireland DublinIEPythonista 5163Nicolas Laurance
Silicon Valley Python Meetup Mountain ViewUSPythonistas 5132Glen Jarvis
PyData Tel Aviv Tel Aviv-YafoILMembers 5123Iddo Berger
RIoT RaleighUSRIoTers 5103Tom Snyder
Seattle Data Science SeattleUSData Scientists 5082Galvanize
Code for Boston CambridgeUSCivic Innovators 5067Code for America Brigade
Deep Learning Paris Meetup ParisFRdeeplearners 5033Tony Pinville
Bay Area Hackathons San FranciscoUSHackers 4960Raj
PyData Singapore SingaporeSGData Pythonistas 4863Adam Drake
Aegis-IBM Data Science, Big Data, Analytics, AI, ML, DL MumbaiINBIG DATA Lovers 4830Aegis School of Data Science
New York Data Science Study Group New YorkUSData Science Padawans 4805Eric Xu
Python Users Berlin (PUB) BerlinDEPythonistas 4761cusy
Arte e Programação São PauloBRPessoas 4649Alexandre Villares
Learn to Code Seattle SeattleUSAspiring Coders 4583Galvanize
Sydney Python (SyPy) SydneyAUPythonistas 4582Xuanyi Chew
Machine Learning and Blockchain HyderabadINFuturists 4525rahul jain
Singapore Python User Group SingaporeSGPythonistas 4508vanzaj
PyData Berlin BerlinDEmembers 4450PyData/NumFOCUS
Practical Data Science BangaloreINData Scientists 4338Amit Kapoor
ChiPy: Chicago's Official Python User Group ChicagoUSchipmunks 4231Adam Bain
Sthlm Spotify Tech Group StockholmSEMusic Hackers 4190Lars-Erik Stenholm
Madrid DevOps MadridESdevops 4166txetxu Velayos
Data Scientists Ireland DublinIEMembers 4056Data Scientists Ireland
London Data Science #ODSC LondonGBData Scientists 4053Sheamus
CodeUp Manchester ManchesterGBCoders 4033CodeUp Admin
Women Who Code Boston BostonUSCoders 4025Women Who Code
Pittsburgh Code & Supply PittsburghUSMembers 3993Code & Supply
Data Science Philadelphia (DataPhilly) PhiladelphiaUSDataists 3954Michael Becker
PyData NYC New YorkUSmembers 3942PyData/NumFOCUS
Montréal-Python MontréalCAPythonistas 3915Mathieu Leduc-Hamel
Machine Learning Spain MadridESMachine Learners 3913juantomas
Hack && Tell New YorkUSHackers 3902Danielle Sucher
Dev Japan TokyoJPmembers 3855Caven Cade Mitchell
NYC Women in Machine Learning & Data Science New YorkUSMembers 3851Sinziana E.
Data Science for Sustainability San FranciscoUSMembers 3814Mimi Zhang
Toronto Hack and Tell TorontoCAHackers 3807Alex E
Istanbul Spark Meetup IstanbulTRSpark Learner 3802Şafak Serdar Kapçı
Melbourne Web Developers MelbourneAUDevs 3798Emma
London Data Science Workshop LondonGBData hackers 3792Alex Glaser
Women Who Code Berlin BerlinDEMembers 3764Women Who Code
Houston Data Science HoustonUSLearners 3746Ted Petrou
Stacja IT Warszawa WarsawPLMembers 3730Maria Nowakowska
Austin Data Science AustinUSData Scientists 3714Galvanize
New York Artificial Intelligence In Healthcare New YorkUSMembers 3708Anthony Albertorio
Data Wranglers DC WashingtonUSData Wranglers 3691Data Community DC
BAyPIGgies Mountain ViewUSPythonistas 3601Jeff Fischer
Boston Software Engineers BostonUSSoftware Engineers 3542Michael Latulippe
Learn to Code | Thinkful Atlanta AtlantaUSMembers 3537Ivy Rueb
Delhi MongoDB User Group DelhiINMembers 3518MongoDB
Bay Area Full Stack Mountain ViewUSnvirters 3501Vikram Dham
LA Web/Mobile Software Entrepreneurs Santa MonicaUSFuture Billionaires 3496Craig FS
Melbourne Python Charmers Meetup Group MelbourneAUPythoneers 3466Ed Schofield
Boston Predictive Analytics CambridgeUSMembers 3446John Verostek
Full-Stack Engineering New YorkUSFull-stack Engineers 3415Michael Boufford
Code Oregon PortlandUSStudents 3413Jenny W
Developers Tel Aviv Tel Aviv-YafoILDevelopers 3378James Lebowitz
PyData Chicago ChicagoUSPyDataneers 3378PyData/NumFOCUS
NYC PyLadies New YorkUSPythonistas 3348NYC PyLadies
San Diego Python Users Group San DiegoUSPython Developers 3320Carol Naslund Willing
Community Hack Night Los AngelesUSMembers 3319Dubie
Python Medellín MedellínCOPythoneers 3299John Roa
PyData São Paulo São PauloBRMembers 3297Adriano Almeida
Learn to code in 2019 LagosNGMembers 3293Adedipo Olagbegi
Portland Data Science Group PortlandUSData Hackers 3230Kinga
Code Self Study BerkeleyUSProgrammers 3226Josh
Austin Data AustinUSDatanauts 3216Peter Wang
PyData Warsaw WarsawPLMachine Learners 3188PyData/NumFOCUS
San Francisco MongoDB User Group San FranciscoUSMongoDB Fans 3176MongoDB
Hyderabad Python and Django Meetup Group HyderabadINMembers 3140Ashwin Kumar
DFW Pythoneers PlanoUSPythoneers 3114Jeff Rush
Algorithmic Art LondonGBAlgorithmic Artists 3111Tariq Rashid
Django-NYC New YorkUSDjangonauts 3092Geoffrey Sechter
IoT, Electronics, Data Science & Cybersecurity - CHENNAI ChennaiINMembers 3088Suniel Kumar
Women Who Code Portland PortlandUSCoders 3083Women Who Code
FrenchData ParisFRData Frenchies 3068Christophe Bourguignat
Memphis Technology User Groups MemphisUSTechies 3060Bryan Robinson
NYC Data Wranglers New YorkUSData Scientists 3044Alexander Leeds
Metis: Seattle Data Science SeattleUSAspiring Data Scientists 3037Metis
The San Francisco Django Meetup Group San FranciscoUSDjangonauts 3029Rudy Mutter
Tech Talk DC ArlingtonUSPolyglots 3010Doguhan Uluca
Citizen Data Scientists - Melbourne MelbourneAUData Scientists 3002Ananth Prakash J
Barcelona Python Meetup BarcelonaESPythonistas 2962David Arcos
San Francisco Data Science #ODSC San FranciscoUSData Scientists 2948Vimal Patel
Amsterdam Python Meetup Group AmsterdamNLPythonistas 2947Byte
Portland Python User Group PortlandUSPython Programmers 2946Jay McGrath
SoCal Python Los AngelesUSPythonista 2940Michael R
Python Toronto TorontoCAPython Developers 2928Ash Christopher
IBM Code London LondonGBCoders 2914Mo Haghighi
NOVA-Python RestonUSPythonistas 2900Ryan Day
Colorado Data Science DenverUSdata scientists 2900Galvanize
The Philadelphia Python Users Group (PhillyPUG) PhiladelphiaUSPythonistas 2881Maneesha Sane
DataStax Cassandra South Bay Users CupertinoUSCassandra Heroes 2871DataStax
PyHou - Houston Python Enthusiasts! HoustonUSPythoneers 2861Karl Ulbrich
NYC Postgres New YorkUSDatabase Users 2846Mason Sharp
Women Who Code Singapore SingaporeSGMembers 2820Women Who Code
Boston Apache Spark User Group CambridgeUSSpahk Enthusiasts 2799Joseph Kambourakis
Mumbai Big Data Analytics Meetup MumbaiINMembers 2786Defour Analytics
PyData Amsterdam AmsterdamNLMembers 2768PyData/NumFOCUS
ThaiPy - Bangkok Python Meetup BangkokTHLovers of code 2765Dylan Jay
PyData Atlanta AtlantaUSMembers 2759Jeremy Jacobson
Django Boston Meetup Group CambridgeUSDjangonauts 2720Nate Aune
Python for Quant Finance LondonGBPython Quants 2699Yves Hilpisch
London Data Science Journal Club LondonGBMembers 2695Lev Konstantinovskiy
Black Software Engineers of NYC BrooklynUSMembers 2670Devin Jackson
Serverless San FranciscoUSMembers 2646Serverless User Group
PyMNtos - Twin Cities Python User Group MinneapolisUSPythonistas 2642Python Minnesota
Python ID JakartaIDPython-ers 2635Edwin Lunando
IT Development Café AmsterdamNLDevelopment Heroes 2596Luca Prak
Paris.py (Python, Django & friends) ParisFRPythonistas 2591Sylvain Zimmer
Data Science & Internet of Things (IoT) BangaloreINMembers 2583Suniel Kumar
Chennaipy ChennaiINPythonistas 2567Vijay Kumar
New York Data Science #ODSC New YorkUSData Scientists 2558Vimal Patel
Data Science Lab LondonGBData Ninjas 2549Angelina
MATH View Algorithm Design (MATHVAD) Palo AltoUSAlglorist Coders 2518Suresh B Velagapudi
life michael tel aviv Tel Aviv-YafoILMembers 2485Haim Michael
Developing with Data in San Francisco San FranciscoUSDevelopers 2459Scott Mitchell
Silicon Valley Data Science Practitioners San FranciscoUSPractitioners 2449Keyi Sun
Robot Developers Group - Bay Area San FranciscoUSMembers 2441Dan O
Chicago ML ChicagoUSMachine Learners 2435Garrett Smith
Analytics Vidhya Hyderabad HyderabadINMembers 2422Sunil
Central London Data Science Project Nights LondonGBMembers 2405Zack Akil
Salt Lake City Python Salt Lake CityUSPythonistas 2390Faris
PyData Paris ParisFRMembers 2387Sylvain Corlay
Beijing Python BeijingCNPeking Pythonistas 2382Mike N
Düsseldorf Data Science Meetup DüsseldorfDEData Hackers 2377Thomas Wiecki
Barcelona Spark Meetup BarcelonaESMembers 2376Ferran Galí i Reniu
Serverless London LondonGBMembers 2351Serverless User Group
DigitalCrafts | Learn to Code in Atlanta AtlantaUSBuilders 2348Max M.
Women Who Code Sydney SydneyAUCoders 2343Women Who Code
OCPython: US.CA.Orange County's Python Community Group IrvineUSMembers 2341Dan Stromberg
Python Data Science LA Santa MonicaUSMembers 2334Susana Min
Python BH Belo HorizonteBRPythonistas 2332Ervilis de Souza
Skyway Software Symposium MinneapolisUStech folk 2307Kevin Behrens
Stockholm Google Developer Group StockholmSEGDGers 2305Sevil Güler
Analytics & Data Science by Dataiku London LondonGBDataikers 2305Alivia Smith
Women Who Code Delhi DelhiINWomen Who Code-rs 2294Women Who Code
Learn to Code at the Denver Library DenverUSMembers 2293Alex Baker
Technology Job Seekers Greater Boston BostonUSProfessionals 2288Maureen
Artificial Intelligence ZA JohannesburgZAMembers 2288Rishal Hurbans
Madrid MongoDB User Group MadridESMembers 2283MongoDB
Ottawa Python Authors Group OttawaCAPythonistas 2277Ian Ward
All Things Python SunnyvaleUSPythonistas 2241Ravi
Boston AI Network.com (Artificial Intelligence Group) BostonUSAI Enthusiasts 2226Chris Requena
Women Who Code LA Culver CityUSCoders 2223Women Who Code
Women Who Code East Bay OaklandUSCoders 2213Women Who Code
Python Bogotá BogotáCOPythonistas 2204Camilo Nova
Learning Data Science San FranciscoUSData Scientists 2201Galvanize
Portland Programmer Network - PDX Code Guild PortlandUSProgrammers 2191Sheri Dover