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

Name City Country Focus Members Contact Name
Designers + Geeks San FranciscoUSDesigners + Geeks 15559Joe Robinson
Hackers and Founders San JoseUSHackers/Founders 15413Jonathan Nelson
SF Data Science San FranciscoUSData Scientists 14950Galvanize
The New York Python Meetup Group New YorkUSPython Programmers and Users 14224James Powell
Google Developer Group Silicon Valley Mountain ViewUSGoogle Developers 13882Peter Mooshammer
Women Who Code NYC New YorkUSBadass Female Coders 13101Women Who Code
Women Who Code SF San FranciscoUSCoders 12443Women Who Code
San Francisco Python Meetup Group San FranciscoUSPython Programmers 11841Grace Law
Code Crew - Learn to Code! New YorkUSSwabbies 11571Jamal
Nubank Data Science & Machine Learning São PauloBRMachine Learners 11420Silbermann Thierry
Toronto - Cognitive, AI & Data Science Meetup TorontoCAMembers 10998Polong Lin
Designers + Geeks New York New YorkUSDesigners + Geeks 10675Joe Robinson
PyDelhi - Python Delhi User Group DelhiINPython lovers 10558Raman
Silicon Valley Machine Learning Mountain ViewUSData Coders 10141Bill Kish
Open Source Bangalore BangaloreINhackers 9567Jeeva
Women Who Code DC WashingtonUSCoders 9349Women Who Code
PyData London Meetup LondonGBmembers 9343PyData/NumFOCUS
Hyderabad Python Meetup Group HyderabadINHydPy 9023Manivannan Elangovan
The Boston Python User Group CambridgeUSPythonistas 8868Ned Batchelder
106 Miles Palo AltoUS106ers 8754Adam
Data Science Festival - London LondonGBData Scientists 8676David Loughlan
BangPypers - Bangalore Python Users Group BangaloreINPythonistas 8370Python Software Society of India
Zalando Tech Events Berlin BerlinDEAttendees 8334Zalando Tech Events
PythonPune PuneINPythonsitas 8156Python Software Society of India
Istanbul Coders IstanbulTRCoder 7859Selim Öber
Bay Area Software Engineers (BASE) San FranciscoUSSoftware Engineers 7643Michael Latulippe
Big Data, Paris ParisFRData Lovers, Paris 7606Ansela Manful
she codes(tlv); Tel Aviv-YafoILCoders 7473Ruth Polachek
Python Istanbul IstanbulTRPythonistas 7432Oğuz Albayrak
Puget Sound Programming Python (PuPPy) SeattleUSPythonistas 7328Don Sheu
Grupy-SP São PauloBRPythonistas 7141Eric Hideki
Boston Machine Learning CambridgeUSDevelopers 6909Gideon Wulfsohn
Hacker Hours New YorkUSHaxors 6818Aidan Feldman
Taipei.py - Taipei Python User Group TaipeiTWPythonistas 6811timyellow
NYC Open Data New YorkUSData Scientists and Open Data-er 6752Shangxuan Vivian Zhang
SF Bay Cloud Native Open Infra Palo AltoUSStackers & Hackers 6691Lisa-Marie Namphy
New York MongoDB User Group New YorkUSMembers 6528MongoDB
Learn Python NYC New YorkUSPython Enthusiasts and Learners 6350Jon Banafato
Scala + Python + Spark + Data Science New YorkUSMembers 6254sean reed
Bay Area Machine Learning Santa ClaraUSMembers 6069John Park
The Austin Python Meetup AustinUSPython Programmers 5967Peter Wang
Tech Talks @ AppNexus NYC New YorkUSMembers 5959AppNexus Tech Community
Statistical Programming DC WashingtonUSdc-hackeRs 5925Data Community DC
Python Madrid MadridESPythonistas 5856Paradigma
Women Who Code Silicon Valley SunnyvaleUSCoders 5775Women Who Code
PyLadies of San Francisco San FranciscoUSPythonistas 5662Michelle Glauser
London Python LondonGBPythonistas 5617Patrick Morris
PyAtl: Atlanta Python Programmers AtlantaUSPython Programmers 5595Cameron Lane
Women Who Code London LondonGBCoders 5595Women Who Code
PyData Delhi DelhiINPyDataers 5562Manoj Pandey
PyData Tel Aviv Tel Aviv-YafoILMembers 5405Iddo Berger
Byte Academy: Python, FinTech, Blockchain,DataSci, Quant New YorkUSMembers 5404Emily H
Python Ireland DublinIEPythonista 5395Nicolas Laurance
Code for Boston CambridgeUSCivic Innovators 5275Code for America Brigade
Deep Learning Paris Meetup ParisFRdeeplearners 5271Tony Pinville
RIoT RaleighUSRIoTers 5199Tom Snyder
StarsConf meetup SantiagoCLSlackers 5181Jorge Alberto Rodríguez Suárez
Seattle Data Science SeattleUSData Scientists 5177Galvanize
Silicon Valley Python Meetup Mountain ViewUSPythonistas 5145Glen Jarvis
Aegis-IBM Data Science, Big Data, Analytics, AI, ML, DL MumbaiINBIG DATA Lovers 5128Aegis School of Data Science
PyData Singapore SingaporeSGData Pythonistas 5032Adam Drake
Python Users Berlin (PUB) BerlinDEPythonistas 4991cusy
Bay Area Hackathons San FranciscoUSHackers 4945Raj
Arte e Programação São PauloBRPessoas 4888Alexandre Villares
Singapore Python User Group SingaporeSGPythonistas 4874vanzaj
New York Data Science Study Group New YorkUSData Science Padawans 4847Eric Xu
Sydney Python (SyPy) SydneyAUPythonistas 4810Xuanyi Chew
Learn to Code Seattle SeattleUSAspiring Coders 4742Galvanize
PyData Berlin BerlinDEmembers 4697PyData/NumFOCUS
Machine Learning and Blockchain HyderabadINFuturists 4668rahul jain
Practical Data Science BangaloreINData Scientists 4544Amit Kapoor
ChiPy: Chicago's Official Python User Group ChicagoUSchipmunks 4439Adam Bain
Madrid DevOps MadridESdevops 4400txetxu Velayos
London Data Science #ODSC LondonGBData Scientists 4361Sheamus
Women Who Code Boston BostonUSCoders 4300Women Who Code
CodeUp Manchester ManchesterGBCoders 4217CodeUp Admin
Sthlm Spotify Tech Group StockholmSEMusic Hackers 4192Lars-Erik Stenholm
NYC Women in Machine Learning & Data Science New YorkUSMembers 4155WiMLDS
Machine Learning Spain MadridESMachine Learners 4133juantomas
Dev Japan TokyoJPmembers 4118Caven Cade Mitchell
Data Scientists Ireland DublinIEMembers 4112Data Scientists Ireland
Pittsburgh Code & Supply PittsburghUSMembers 4099Code & Supply
London Data Science Workshop LondonGBData hackers 4061Alex Glaser
Women Who Code Berlin BerlinDEMembers 4058Women Who Code
Learn to code in 2019 LagosNGMembers 4050Adedipo Olagbegi
Data Science Philadelphia (DataPhilly) PhiladelphiaUSDataists 4047Michael Becker
Stacja IT Warszawa WarsawPLMembers 4025Maria Nowakowska
New York Artificial Intelligence In Healthcare New YorkUSMembers 4012Anthony Albertorio
Montréal-Python MontréalCAPythonistas 3987Mathieu Leduc-Hamel
PyData NYC New YorkUSmembers 3978PyData/NumFOCUS
Toronto Hack and Tell TorontoCAHackers 3960Alex E
Hack && Tell New YorkUSHackers 3893Danielle Sucher
Data Science for Sustainability San FranciscoUSMembers 3874Mimi Zhang
Houston Data Science HoustonUSLearners 3864Ted Petrou
Melbourne Python Charmers Meetup Group MelbourneAUPythoneers 3848Ed Schofield
Austin Data Science AustinUSData Scientists 3839Galvanize
Istanbul Spark Meetup IstanbulTRSpark Learner 3808Şafak Serdar Kapçı
Melbourne Web Developers MelbourneAUDevs 3795Emma
BAyPIGgies Mountain ViewUSPythonistas 3768Jeff Fischer
PyData São Paulo São PauloBRMembers 3761Adriano Almeida
Data Wranglers DC WashingtonUSData Wranglers 3690Data Community DC
Delhi MongoDB User Group DelhiINMembers 3624MongoDB
Learn to Code | Thinkful Atlanta AtlantaUSMembers 3619Ivy Rueb
PyData Chicago ChicagoUSPyDataneers 3574PyData/NumFOCUS
LA Tech and Business Innovators Santa MonicaUSInnovators 3570Craig FS
IBM Code London LondonGBCoders 3542Mo Haghighi
Boston Software Engineers BostonUSSoftware Engineers 3536Michael Latulippe
Bay Area Full Stack Mountain ViewUSnvirters 3521Vikram Dham
Python Medellín MedellínCOPythoneers 3509John Roa
NYC PyLadies New YorkUSPythonistas 3500NYC PyLadies
Boston Predictive Analytics CambridgeUSMembers 3450John Verostek
San Diego Python Users Group San DiegoUSPython Developers 3447Carol Naslund Willing
Community Hack Night Los AngelesUSMembers 3444Dubie
Full-Stack Engineering New YorkUSFull-stack Engineers 3434Michael Boufford
Code Oregon PortlandUSStudents 3409Jenny W
Algorithmic Art LondonGBAlgorithmic Artists 3391Tariq Rashid
Developers Tel Aviv Tel Aviv-YafoILDevelopers 3380James Lebowitz
PyData Warsaw WarsawPLMachine Learners 3369PyData/NumFOCUS
Code Self Study BerkeleyUSProgrammers 3365Josh
IoT, Electronics, Data Science & Cybersecurity - CHENNAI ChennaiINMembers 3340Suniel Kumar
Portland Data Science Group PortlandUSData Hackers 3326John Burt
DFW Pythoneers PlanoUSPythoneers 3269Jeff Rush
Metis: Seattle Data Science SeattleUSAspiring Data Scientists 3263Metis
Women Who Code Portland PortlandUSCoders 3248Women Who Code
Austin Data AustinUSDatanauts 3226Peter Wang
Hyderabad Python and Django Meetup Group HyderabadINMembers 3215Ashwin Kumar
Citizen Data Scientists - Melbourne MelbourneAUData Scientists 3212Ananth Prakash J
Memphis Technology User Groups MemphisUSTechies 3179Bryan Robinson
San Francisco MongoDB User Group San FranciscoUSMongoDB Fans 3175MongoDB
FrenchData ParisFRData Frenchies 3162Christophe Bourguignat
San Francisco Data Science #ODSC San FranciscoUSData Scientists 3109Sheamus
Django-NYC New YorkUSDjangonauts 3106Geoffrey Sechter
Colorado Data Science DenverUSdata scientists 3083Galvanize
Tech Talk DC ArlingtonUSPolyglots 3078Doguhan Uluca
The San Francisco Django Meetup Group San FranciscoUSDjangonauts 3076Rudy Mutter
Barcelona Python Meetup BarcelonaESPythonistas 3059David Arcos
Amsterdam Python Meetup Group AmsterdamNLPythonistas 3047Byte
NYC Data Wranglers New YorkUSData Scientists 3041Alexander Leeds
Mumbai Big Data Analytics Meetup MumbaiINMembers 3035Defour Analytics
SoCal Python Los AngelesUSPythonista 3015Michael R
Portland Python User Group PortlandUSPython Programmers 3011Jay McGrath
Python Toronto TorontoCAPython Developers 3011Ash Christopher
PyHou - Houston Python Enthusiasts! HoustonUSPythoneers 2991Karl Ulbrich
ThaiPy - Bangkok Python Meetup BangkokTHLovers of code 2956Dylan Jay
Women Who Code Singapore SingaporeSGMembers 2951Women Who Code
The Philadelphia Python Users Group (PhillyPUG) PhiladelphiaUSPythonistas 2950Maneesha Sane
DataStax Cassandra South Bay Users CupertinoUSCassandra Heroes 2930DataStax
PyData Amsterdam AmsterdamNLMembers 2909PyData/NumFOCUS
NOVA-Python RestonUSPythonistas 2902Ryan Day
NYC Postgres New YorkUSDatabase Users 2885Mason Sharp
PyData Atlanta AtlantaUSMembers 2880Jeremy Jacobson
IT Development Café AmsterdamNLDevelopment Heroes 2854Luca Prak
London Data Science Journal Club LondonGBMembers 2828Lev Konstantinovskiy
Boston Apache Spark User Group CambridgeUSSpahk Enthusiasts 2822Joseph Kambourakis
Django Boston Meetup Group CambridgeUSDjangonauts 2817Nate Aune
Python ID JakartaIDPython-ers 2806Edwin Lunando
Python for Quant Finance LondonGBPython Quants 2791Yves Hilpisch
Data Science & Internet of Things (IoT) BangaloreINMembers 2773Suniel Kumar
Black Software Engineers of NYC BrooklynUSMembers 2757Devin Jackson
Serverless San FranciscoUSMembers 2730Serverless User Group
Chicago ML ChicagoUSMachine Learners 2726Garrett Smith
PyMNtos - Twin Cities Python User Group MinneapolisUSPythonistas 2723Python Minnesota
Paris.py (Python, Django & friends) ParisFRPythonistas 2713Sylvain Zimmer
Chennaipy ChennaiINPythonistas 2709Vijay Kumar
Analytics Vidhya Hyderabad HyderabadINMembers 2655Sunil
New York Data Science #ODSC New YorkUSData Scientists 2654Sheamus
PyData Paris ParisFRMembers 2644Sylvain Corlay
Central London Data Science Project Nights LondonGBMembers 2614Zack Akil
Data Science Lab LondonGBData Ninjas 2564Angelina
life michael tel aviv Tel Aviv-YafoILMembers 2554Haim Michael
PyData Pune PuneINPyDaters 2538MAYANK MISHRA
Python BH Belo HorizonteBRPythonistas 2537Ervilis de Souza
Serverless London LondonGBMembers 2535Serverless User Group
Barcelona Spark Meetup BarcelonaESMembers 2529Ferran Galí i Reniu
Salt Lake City Python Salt Lake CityUSPythonistas 2520Faris
MATH View Algorithm Design (MATHVAD) Palo AltoUSAlglorist Coders 2509Suresh B Velagapudi
Robot Developers Group - Bay Area San FranciscoUSMembers 2506Dan O
Beijing Python BeijingCNPeking Pythonistas 2482Mike N
Artificial Intelligence ZA JohannesburgZAMembers 2451Rishal Hurbans
Developing with Data in San Francisco San FranciscoUSDevelopers 2450Scott Mitchell
Silicon Valley Data Science Practitioners San FranciscoUSPractitioners 2450Murat Yalcin
Python Nigeria Meetup LagosNGPythonistas 2447Chilezie Unachukwu
OCPython: US.CA.Orange County's Python Community Group IrvineUSMembers 2443Dan Stromberg
Women Who Code Sydney SydneyAUCoders 2419Women Who Code
Analytics & Data Science by Dataiku London LondonGBDataikers 2417Alivia Smith
Women Who Code Bangalore BangaloreINCoders 2412Women Who Code
Byte Academy: Python, FinTech, Data Science & Blockchain BangaloreINMembers 2408Emily H
Ottawa Python Authors Group OttawaCAPythonistas 2399Ian Ward
Data Science and Engineering Club DublinIEMembers 2399Roman Golovnya
Boston AI Network.com (Artificial Intelligence Group) BostonUSAI Enthusiasts 2397Chris Requena
DigitalCrafts | Learn to Code in Atlanta AtlantaUSBuilders 2395Max M.
Women Who Code Delhi DelhiINWomen Who Code-rs 2392Women Who Code
Düsseldorf Data Science Meetup DüsseldorfDEData Hackers 2379Thomas Wiecki
Women Who Code LA Culver CityUSCoders 2365Women Who Code
Python :: Data Structure and Algorithms (Data scientist) BangaloreINMembers 2359LearnBay
Learn to Code at the Denver Library DenverUSMembers 2358Alex Baker
Python Data Science LA Santa MonicaUSMembers 2340Susana Min
Stockholm Google Developer Group StockholmSEGDGers 2340Sevil Güler
Python Bogotá BogotáCOPythonistas 2338Camilo Nova
Portland Programmer Network - PDX Code Guild PortlandUSProgrammers 2337Sheri Dover