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

Name City Country Focus Members Contact Name
Designers + Geeks San FranciscoUSDesigners + Geeks 15721Joe Robinson
Hackers and Founders San JoseUSHackers/Founders 15431Jonathan Nelson
SF Data Science San FranciscoUSData Scientists 15109Galvanize
The New York Python Meetup Group New YorkUSPython Programmers and Users 14570James Powell
Google Developer Group Silicon Valley Mountain ViewUSGoogle Developers 14033Peter Mooshammer
Women Who Code NYC New YorkUSBadass Coders 13496Women Who Code
Nubank Data Science & Machine Learning São PauloBRMachine Learners 12749Silbermann Thierry
Women Who Code SF San FranciscoUSCoders 12561Women Who Code
San Francisco Python Meetup Group San FranciscoUSPython Programmers 12010Grace Law
Code Crew - Learn to Code! New YorkUSSwabbies 11534Jamal
Toronto - Cognitive, AI & Data Science Meetup TorontoCAMembers 11274Polong Lin
PyDelhi - Python Delhi User Group DelhiINPython lovers 10824Raman
Designers + Geeks New York New YorkUSDesigners + Geeks 10733Joe Robinson
Silicon Valley Machine Learning Mountain ViewUSData Coders 10146Bill Kish
Women Who Code DC WashingtonUSCoders 9676Women Who Code
PyData London Meetup LondonGBmembers 9641PyData/NumFOCUS
Open Source Bangalore BangaloreINhackers 9581Jeeva
Hyderabad Python Meetup Group HyderabadINHydPy 9290Manivannan Elangovan
Data Science Festival - London LondonGBData Scientists 9162David Loughlan
The Boston Python User Group CambridgeUSPythonistas 9005Ned Batchelder
106 Miles Palo AltoUS106ers 8779Adam
BangPypers - Bangalore Python Users Group BangaloreINBangpypers 8595Python Software Society of India
PythonPune PuneINPythonsitas 8463Python Software Society of India
Zalando Tech Events Berlin BerlinDEAttendees 8459Zalando Tech Events
Istanbul Coders IstanbulTRCoder 8144Selim Öber
Python Istanbul IstanbulTRPythonistas 7943Oğuz Albayrak
Big Data, Paris ParisFRData Lovers, Paris 7741Ansela Manful
Bay Area Software Engineers (BASE) San FranciscoUSSoftware Engineers 7650Michael Latulippe
Puget Sound Programming Python (PuPPy) SeattleUSPythonistas 7578Don Sheu
she codes(tlv); Tel Aviv-YafoILCoders 7487Ruth Polachek
Grupy-SP São PauloBRPythonistas 7438Eric Hideki
Taipei.py - Taipei Python User Group TaipeiTWPythonistas 7000timyellow
Boston Machine Learning CambridgeUSDevelopers 6991Gideon Wulfsohn
Hacker Hours New YorkUSHaxors 6982Aidan Feldman
NYC Open Data New YorkUSData Scientists and Open Data-er 6797Shangxuan Vivian Zhang
SF Bay Cloud Native Open Infra Palo AltoUSStackers & Hackers 6742Lisa-Marie Namphy
New York MongoDB User Group New YorkUSMembers 6532MongoDB
Learn Python NYC New YorkUSPython Enthusiasts and Learners 6511Jon Banafato
Scala + Python + Spark + Data Science New YorkUSMembers 6370sean reed
Bay Area Machine Learning Santa ClaraUSMembers 6237John Park
The Austin Python Meetup AustinUSPython Programmers 6126Peter Wang
Python Madrid MadridESPythonistas 6097Paradigma
Women Who Code Silicon Valley SunnyvaleUSCoders 5980Women Who Code
PyData Delhi DelhiINPyDataers 5970Sanket Verma
Statistical Programming DC WashingtonUSdc-hackeRs 5932Data Community DC
Tech Talks @ AppNexus NYC New YorkUSMembers 5931AppNexus Tech Community
PyLadies of San Francisco San FranciscoUSPythonistas 5774Michelle Glauser
PyAtl: Atlanta Python Programmers AtlantaUSPython Programmers 5773Cameron Lane
London Python LondonGBPythonistas 5758Patrick Morris
PyData Tel Aviv Tel Aviv-YafoILMembers 5677Iddo Berger
Women Who Code London LondonGBCoders 5673Women Who Code
Python Ireland DublinIEPythonista 5589Nicolas Laurance
Code for Boston CambridgeUSCivic Innovators 5470Code for America Brigade
Byte Academy: Python, FinTech, Blockchain,DataSci, Quant New YorkUSMembers 5425Emily H
StarsConf meetup SantiagoCLSlackers 5388Jorge Alberto Rodríguez Suárez
RIoT RaleighUSRIoTers 5337Tom Snyder
Deep Learning Paris Meetup ParisFRdeeplearners 5302Tony Pinville
Seattle Data Science SeattleUSData Scientists 5294Galvanize
Aegis-IBM Data Science, Big Data, Analytics, AI, ML, DL MumbaiINBIG DATA Lovers 5235Aegis School of Data Science
PyData Singapore SingaporeSGData Pythonistas 5232Adam Drake
Python Users Berlin (PUB) BerlinDEPythonistas 5178cusy
Silicon Valley Python Meetup Mountain ViewUSPythonistas 5144Glen Jarvis
Singapore Python User Group SingaporeSGPythonistas 5128vanzaj
Arte e Programação São PauloBRPessoas 5055Alexandre Villares
Sydney Python (SyPy) SydneyAUPythonistas 4944Xuanyi Chew
Bay Area Hackathons San FranciscoUSHackers 4923Raj
PyData Berlin BerlinDEmembers 4878PyData/NumFOCUS
Learn to Code Seattle SeattleUSAspiring Coders 4871Galvanize
New York Data Science Study Group New YorkUSData Science Padawans 4836Eric Xu
London Data Science #ODSC LondonGBData Scientists 4734Sheamus
Machine Learning and Blockchain HyderabadINFuturists 4667rahul jain
ChiPy: Chicago's Official Python User Group ChicagoUSchipmunks 4621Adam Bain
Practical Data Science BangaloreINData Scientists 4594Amit Kapoor
Learn to code in 2019 LagosNGMembers 4565Adedipo Olagbegi
Madrid DevOps MadridESdevops 4487txetxu Velayos
Women Who Code Boston BostonUSCoders 4459Women Who Code
CodeUp Manchester ManchesterGBCoders 4378CodeUp Admin
Dev Japan TokyoJPmembers 4327Caven Cade Mitchell
NYC Women in Machine Learning & Data Science New YorkUSMembers 4306WiMLDS
Women Who Code Berlin BerlinDEMembers 4289Women Who Code
Machine Learning Spain MadridESMachine Learners 4230juantomas
London Data Science Workshop LondonGBData hackers 4228Alex Glaser
Data Science Philadelphia (DataPhilly) PhiladelphiaUSDataists 4208Michael Becker
Stacja IT Warszawa WarsawPLMembers 4195Maria Nowakowska
Sthlm Spotify Tech Group StockholmSEMusic Hackers 4189Lars-Erik Stenholm
Pittsburgh Code & Supply PittsburghUSMembers 4166Code & Supply
Melbourne Python Charmers Meetup Group MelbourneAUPythoneers 4147Ed Schofield
Montréal-Python MontréalCAPythonistas 4124Mathieu Leduc-Hamel
Data Scientists Ireland DublinIEMembers 4117Data Scientists Ireland
New York Health Artificial Intelligence Society New YorkUSMembers 4117Anthony Albertorio
PyData São Paulo São PauloBRMembers 4116Adriano Almeida
Toronto Hack and Tell TorontoCAHackers 4093Alex E
IBM Code London LondonGBCoders 4009Mo Haghighi
PyData NYC New YorkUSmembers 3981PyData/NumFOCUS
Houston Data Science HoustonUSLearners 3972Ted Petrou
Data Science for Sustainability San FranciscoUSMembers 3929Mimi Zhang
Austin Data Science AustinUSData Scientists 3892Galvanize
Hack && Tell New YorkUSHackers 3891Danielle Sucher
BAyPIGgies Mountain ViewUSPythonistas 3843Jeff Fischer
Delhi MongoDB User Group DelhiINMembers 3821MongoDB
Melbourne Web Developers MelbourneAUDevs 3804Emma
Istanbul Spark Meetup IstanbulTRSpark Learner 3800Şafak Serdar Kapçı
Python Medellín MedellínCOPythoneers 3760John Roa
Learn to Code | Thinkful Atlanta AtlantaUSMembers 3721Ivy Rueb
PyData Chicago ChicagoUSPyDataneers 3685PyData/NumFOCUS
Data Wranglers DC WashingtonUSData Wranglers 3678Data Community DC
Algorithmic Art LondonGBAlgorithmic Artists 3637Tariq Rashid
San Diego Python Users Group San DiegoUSPython Developers 3622Carol Naslund Willing
LA Tech and Business Innovators Santa MonicaUSInnovators 3613Christopher Hammond
NYC PyLadies New YorkUSPythonistas 3588NYC PyLadies
Community Hack Night Los AngelesUSMembers 3556Dubie
PyData Warsaw WarsawPLMachine Learners 3555PyData/NumFOCUS
Boston Software Engineers BostonUSSoftware Engineers 3532Michael Latulippe
Bay Area Full Stack Mountain ViewUSnvirters 3520Vikram Dham
IoT, Electronics, Data Science & Cybersecurity - CHENNAI ChennaiINMembers 3515Suniel Kumar
Code Oregon PortlandUSStudents 3461Jenny W
Metis: Seattle Data Science SeattleUSAspiring Data Scientists 3454Metis
Boston Predictive Analytics CambridgeUSMembers 3444John Verostek
Code Self Study BerkeleyUSProgrammers 3439Josh
Full-Stack Engineering New YorkUSFull-stack Engineers 3429Michael Boufford
DFW Pythoneers PlanoUSPythoneers 3411Jeff Rush
Portland Data Science Group PortlandUSData Hackers 3409John Burt
Developers Tel Aviv Tel Aviv-YafoILDevelopers 3383James Lebowitz
Women Who Code Portland PortlandUSCoders 3381Women Who Code
Citizen Data Scientists - Melbourne MelbourneAUData Scientists 3359Ananth Prakash J
Mumbai Big Data Analytics Meetup MumbaiINMembers 3354Defour Analytics
FrenchData ParisFRData Frenchies 3295Christophe Bourguignat
Hyderabad Python and Django Meetup Group HyderabadINMembers 3239Ashwin Kumar
Colorado Data Science DenverUSdata scientists 3238Galvanize
Memphis Technology User Groups MemphisUSTechies 3232Bryan Robinson
Austin Data AustinUSDatanauts 3224Peter Wang
San Francisco Data Science #ODSC San FranciscoUSData Scientists 3179Sheamus
San Francisco MongoDB User Group San FranciscoUSMongoDB Fans 3167MongoDB
Barcelona Python Meetup BarcelonaESPythonistas 3152David Arcos
Python Toronto TorontoCAPython Developers 3146Ash Christopher
Chicago ML ChicagoUSMachine Learners 3130Garrett Smith
Tech Talk DC ArlingtonUSPolyglots 3121Doguhan Uluca
Amsterdam Python Meetup Group AmsterdamNLPythonistas 3106Byte
Django-NYC New YorkUSDjangonauts 3105Geoffrey Sechter
ThaiPy - Bangkok Python Meetup BangkokTHLovers of code 3101Dylan Jay
PyData Amsterdam AmsterdamNLMembers 3098PyData/NumFOCUS
PyHou - Houston Python Enthusiasts! HoustonUSPythoneers 3097Karl Ulbrich
SoCal Python Los AngelesUSPythonista 3089Michael R
The San Francisco Django Meetup Group San FranciscoUSDjangonauts 3084Rudy Mutter
IT Development Café AmsterdamNLDevelopment Heroes 3057Luca Prak
Portland Python User Group PortlandUSPython Programmers 3053Jay McGrath
NYC Data Wranglers New YorkUSData Scientists 3036Alexander Leeds
DataStax Cassandra South Bay Users CupertinoUSCassandra Heroes 3035DataStax
Women Who Code Singapore SingaporeSGMembers 3035Women Who Code
The Philadelphia Python Users Group (PhillyPUG) PhiladelphiaUSPythonistas 3019Maneesha Sane
PyData Atlanta AtlantaUSMembers 3000Jeremy Jacobson
London Data Science Journal Club LondonGBMembers 2909Lev Konstantinovskiy
NYC Postgres New YorkUSDatabase Users 2908Mason Sharp
NOVA-Python RestonUSPythonistas 2898Ryan Day
Python ID JakartaIDPython-ers 2898Edwin Lunando
PyData Pune PuneINPyDaters 2878MAYANK MISHRA
Boston Apache Spark User Group CambridgeUSSpahk Enthusiasts 2858Joseph Kambourakis
Paris.py (Python, Django & friends) ParisFRPythonistas 2846Sylvain Zimmer
Black Software Engineers of NYC BrooklynUSMembers 2846Devin Jackson
Django Boston Meetup Group CambridgeUSDjangonauts 2837Nate Aune
Python for Quant Finance LondonGBPython Quants 2835Yves Hilpisch
Chennaipy ChennaiINPythonistas 2813Vijay Kumar
Analytics Vidhya Hyderabad HyderabadINMembers 2800Sunil
PyMNtos - Twin Cities Python User Group MinneapolisUSPythonistas 2795Python Minnesota
Central London Data Science LondonGBMembers 2795Zack Akil
Data Science & Internet of Things (IoT) BangaloreINMembers 2784Suniel Kumar
PyData Paris ParisFRMembers 2782Sylvain Corlay
Serverless San FranciscoUSMembers 2750Serverless User Group
New York Data Science #ODSC New YorkUSData Scientists 2714Sheamus
Byte Academy: Python, FinTech, Data Science & Blockchain BangaloreINMembers 2713Emily H
Python BH Belo HorizonteBRPythonistas 2664Ervilis de Souza
life michael tel aviv Tel Aviv-YafoILMembers 2661Haim Michael
Analytics & Data Science by Dataiku London LondonGBDataikers 2628Alivia Smith
Salt Lake City Python Salt Lake CityUSPythonistas 2618Faris
Serverless London LondonGBMembers 2614Serverless User Group
Python Nigeria Meetup LagosNGPythonistas 2612Chilezie Unachukwu
Python :: Data Structure and Algorithms (Data scientist) BangaloreINMembers 2611LearnBay
Artificial Intelligence ZA JohannesburgZAMembers 2601Rishal Hurbans
Barcelona Spark Meetup BarcelonaESMembers 2599Ferran Galí i Reniu
Boston AI Network.com (Artificial Intelligence Group) BostonUSAI Enthusiasts 2598Chris Requena
Data Science Lab LondonGBData Ninjas 2597Angelina
Düsseldorf Data Science Meetup DüsseldorfDEData Hackers 2558Thomas Wiecki
Beijing Python BeijingCNPeking Pythonistas 2550Mike N
Robot Developers Group - Bay Area San FranciscoUSMembers 2539Dan O
Data Science and Engineering Club DublinIEMembers 2538Roman Golovnya
OCPython: US.CA.Orange County's Python Community Group IrvineUSMembers 2515Dan Stromberg
Women Who Code Bangalore BangaloreINCoders 2514Women Who Code
Women Who Code Sydney SydneyAUCoders 2514Women Who Code
India Big Data Analytics Meetup PuneINMembers 2499Defour Analytics
MATH View Algorithm Design (MATHVAD) Palo AltoUSAlglorist Coders 2496Suresh B Velagapudi
Ottawa Python Authors Group OttawaCAPythonistas 2488Ian Ward
Silicon Valley Data Science Practitioners San FranciscoUSPractitioners 2484Murat Yalcin
Portland Programmer Network - PDX Code Guild PortlandUSProgrammers 2482Sheri Dover
Dev Dialogue New YorkUSDevelopers 2450Matthew Jording
Developing with Data in San Francisco San FranciscoUSDevelopers 2449Scott Mitchell
Stockholm Google Developer Group StockholmSEGDGers 2449Sevil Güler
Women Who Code LA Culver CityUSCoders 2441Women Who Code
Women Who Code Delhi DelhiINWomen Who Code-rs 2439Women Who Code
DigitalCrafts | Learn to Code in Atlanta AtlantaUSBuilders 2430Max M.
Python Bogotá BogotáCOPythonistas 2388Camilo Nova