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

Name City Country Focus Members Contact Name
Data Driven NYC (a FirstMark Event) New YorkUSMembers 16130Matt Turck
SF Data Science San FranciscoUSData Scientists 14497Galvanize
Advertising / Marketing Analysts New YorkUSData Nerds 8119jon lorenzini
Taiwan R User Group / MLDM Monday TaipeiTWTaiwan R User 6054Chia-Chi Chang
DataKind NYC New YorkUSData Do-Gooders 3449Jake Porway
Chicago City Data Users Group ChicagoUSMembers 3395Adam Hecktman
Institute of Analytics (USA) - Data Sciences and Technology ChennaiINMembers 3116Nethra Sambamoorthi
Analyze Boulder BoulderUSData Geeks 2773Toni Rosati
Graph Database - Paris ParisFRgraphistas 2594Neo4j
Big Data & IOT 101 FremontUSBig Data IOT enthusiast 2585Raju Shreewastava
Data Visualization Berlin BerlinDEvisionaries 2556Jonas
Boston Algorithmic Trading BostonUSQuants 2512Phoebe Jordan
New England SQL Server User Group BurlingtonUSData Professionals 2256Vladimir Ivanovich
Data Innovation DC WashingtonUSData-preneurs 2210Data Community DC
DataKind Bangalore BangaloreINData Do-Gooders 2005DataKind Bangalore
Bay Area Analytics San FranciscoUSData Geeks 1996Graph Day
R User Group - Singapore (RUGS) SingaporeSGR hackers 1958Vikneswaran
Big Data Madrid MadridESMiembros 1812Inés Huertas
San Francisco PyData San FranciscoUSPyData Nerds 1740Reynold Xin
Seattle PyLadies SeattleUSPythonistas 1704Wendy Grus
Visualising Data London LondonGBMembers 1696Zdenek Hynek
Advanced Analytics and Research Lab TorontoCAMembers 1694Eric Huang
Ankara Data Science and Big Data Meetup AnkaraTRData Scientist 1477Dr. M.Umut Demirezen
Ottawa Data Visualization OttawaCAData Visualizers 1365Ali Pourshahid
Hadoop User Group Ireland (HUG IRL) DublinIEMembers 1349Silviu P.
Marketing Data Lovers, Paris ParisFRData lovers 1308Karim
Deep Learning Book Club San FranciscoUSMembers 1268Alena Kruchkova
Graph Database - Amsterdam AmsterdamNLgraphistas 1202Neo4j
Seattle Elasticsearch User Group SeattleUSMembers 1191Elastic Community Team
Madrid Periodismo de datos Meetup MadridESperiodistas de datos 1115adolflow
R-Ladies Washington D.C. WashingtonUSR-Ladies 1108R-Ladies Global
Boston Data Engineering Meetup CambridgeUSData Engineers 1074Jake Ouellette
R-Ladies New York New YorkUSRladies 1062R-Ladies Global
Orange County Advanced Analytics and Big Data Meetup IrvineUSMembers 1039Jerry Hartanto
Digital Shapers BerlinDEDigital Shapers 1008Christoph Goeken
Open Data Delaware WilmingtonUSData Ninjas 993Ryan Harrington
PostgreSQL Meetup Group Berlin BerlinDEElephantista 982Oleksii Kliukin
RS Data Science Meetup Porto AlegreBRcientistas de dados 947Cristofer Weber
Proteccion de datos personales en Ciudad de México México CityMXMiembros 932Alister Katrina
Ottawa Civic Tech OttawaCAMembers 931Dan Monafu
London NoSQL, MySQL, Open Source Community LondonGBOpen Source Database Enthusiasts 915Tague Griffith
Kaggle Berlin BerlinDEKagglers 845Gerrit Gruben
Apache Storm & Apache Kafka SunnyvaleUSApache Storm & Kafka Users 843Harsha
Data for Good - Montreal MontréalCAStats Gurus 807Victor Anjos
Open Data Barcelona BarcelonaESOpenDaters 805Iniciativa Barcelona Open Data
DataMeet Mumbai MumbaiINDMers 788Ritvvij Parrikh
Graph Database - Brussels BrusselsBEgraphistas 777Neo4j
Barcelona MongoDB User Group BarcelonaESMembers 773Joe Drumgoole
Budapest Data Visualization Meetup BudapestHUData Visualization Evangelists 755Cory M. Cox
NY Quantitative Python User Group New YorkUSpython enthusiasts 740Enthought
PyData / PlaY data TaipeiTWData PlaYer 740Chia-Chi Chang
Aspiring Data Scientist Community AustinUSData Scientists 736Emily Bartha
Analysts Anonymous LondonGBMembers 717Tim Drye
Breizh Data Club RennesFRData nerds 689Colin Fay
OpenDataBC (Vancouver) VancouverCAData Geeks 671Gillian Vrooman
Data 2.0 NYC New YorkUSData Innovators 657Leon Stankowski
Graph Database LA Los AngelesUSGraphistas 654Neo4j
Predictive Analytics BerlinDEData Lovers 634Olga S.
leboncoin Engineering ParisFRTechos 627Jean-Louis Bergamo
DataViz London LondonGBDatavizzers 614Duncan Clark
Amazon Alexa Skills Meetup IrvineUSMembers 566Mark Kockerbeck
R-Ladies Boston BostonUSR-ladies 561R-Ladies Global
Federal Software Engineers and Data Scientist BowieUSFed Data Members 549FederalDataGuru
The Information Lab Data School LondonGBMembers 545Tom brown
Princeton Data Science PrincetonUSPractitioners 531David Stengle
Mapping open data to unlock new insights. London, UK LondonGBMembers 528Manuel Timita
Graph Database - Atlanta AtlantaUSGraphistas 516Neo4j
MAD, Madrid Abriendo Datos MadridESPregonerxs 515adolflow
Apache Kafka Sydney SydneyAUStreamers 503Suresh Khatri
London GDPR - General Data Protection Regulation Meetup LondonGBMembers 501Emmanuel Lazaridis
Data + Women France ParisFRData Women 501Tableau France
Meetup Data Intelligence Paris ParisFRMembres 498Marie-Laure Gautier
PostgreSQL User Group, Nantes NantesFRMembres 489Rodolphe Quiédeville
Data Science Munich MünchenDEData Scientists 484Marc
import.io users group LondonGBimport.io users 468Alex Gimson
DataBeers Milano MilanoITMembri 460Andrea Gigli
JFORCE Data Science IstanbulTRÜyeler 458Sergül Bakır
London Einstein Analytics Meetup LondonGBMembers 449Rikke Hovgaard
Chicago Industry4.0 Tech Series ChicagoUSMembers 440Ty Findley
Trenton R Users (TRU) TrentonUSR brigade 417Praveen Sharma
Meetup Data Science et Transformation Digitale Paris ParisFRMembres 415Irène Balmès
GUSS, la communauté Data Microsoft ParisFRMembres du GUSS 410Jean-Pierre Riehl
Oslo Growth Hacking Meetup OsloNOGrowth Hackers 405Stefan Okstveit
Graph Database - Hanoi Ha NoiVNgraphistas 392Neo4j
Graph Database - Austin AustinUSGraphistas 391Neo4j
Open Data Lab BarcelonaESMiembros 391Iniciativa Barcelona Open Data
Bay Area KNIME Users San FranciscoUSKNIMErs 387Michael Berthold
Boston Data Education Meetup BostonUSdiscipula vitae 387Ian Gomez
Data Science Brest BrestFRMembres 387Maxime HAVEZ
Open Knowledge Brisbane BrisbaneAUMembers 380maia
IoTDataViz London LondonGBIoTDataViz Explorers 378Barend Botha
IRE Bay Area San FranciscoUSJournos 377Patience Haggin
Cambridge Life Sciences Data Management Meetup CambridgeUSMembers 375Barry Wark
Data Driven PDX PortlandUSData Driven PDX Members 374Steven Miller
Nagpur mongoDB Meetup NagpurINMongoes 370Varun Karhadkar
IAPA Informed SydneyAUAnalysts 361Mandy Eyles
Competetive Data Science @ Tel Aviv Meetup Tel Aviv-YafoILMembers 357Dmitry Dremov
MünsteR (R Users Group) MünsterDER-User 352Shirin Glander
Elastic San Diego Meetup San DiegoUSElastic Fantastics 349Elastic Community Team
UAE - Real-Time Big Data Analytics & Machine learning DubaiAEMembers 347Hamid Wassifi
PDX Graph Meetup PortlandUSGraphistas 335Neo4j
DataMeet Ahmedabad AhmedabadINData Meeters 335Thejesh GN
La Coop Infolab Grenoble GrenobleFRMembres 329Scop la Péniche
Data Driven Rijnmond RotterdamNLData Nerds 328Tom Lous
Graph Database - Durham DurhamUSGraphistas 324Neo4j
GraphDb Melbourne MelbourneAUGraphistas 320Neo4j
Kaggle Days Meetup Warsaw WarsawPLCzłonkowie 320Patrycja Urbanek
Full Scale Data Architects AmsterdamNLMembers 319Martijn Evers
Visser & Van Baars - The BI & Big Data Network Antwerp AntwerpenBELeden 314Luca Prak
UCLAx: Data Science Practicum Santa MonicaUSMembers 301Joshua Cook
Bangalore d3.js User Group BangaloreINmembers 296Murali
NYC Pig User Group New YorkUSMembers 274John Matson
Istanbul MongoDB Meetup IstanbulTRMembers 273Ertan Erışık
Movement Meetups - Dhaka DhakaBDMembers 269Malinda Senanayake
Data Science Meetup Bielefeld BielefeldDEDataworkers 256Philipp A.
linz.ai - Data Science Meetup LinzATMitglieder 246Christian Gorbach
Meetup Café com Dados CascavelBRParticipantes 241Leandro de Souza
On data and design – Vienna ViennaATDataVizers 241Darjan Hil
NJ Big Data Meetup ButlerUSConsultants 230Thomas Ott
NYC TM1 Lovers New YorkUSTM1 Lovers 225Lisa Minneci
JPoint UtrechtNLLeden 225JPoint
Graph Database San Diego San DiegoUSGraphistas 224Neo4j
Data Driven Product Management - Rhein-Main FrankfurtDEMitglieder 220Claudia Nowak
Helsinki Apache Spark Meetup #helspark EspooFISpark ninjas 218Vladimir Grigor
Open Source Finance San FranciscoUSFinance Hackers 213Dimitri Papaioannou
SQL Server User Group - Cork CorkIEMembers 212Seán Carr
I-380 PASS SQL Server User Group Cedar RapidsUSMembers 203Ed Leighton-Dick
NY InsuranceTech (Insuretech) Startup Group New YorkUSInsureTechies 200Prashant
Puget Sound Big Data Professionals RedmondUSMiners in Regression 198Keith McCammon
Data Management Platforms for Digital Advertising San FranciscoUSMembers 195Anna Odvak
Hyperconverged Infrastructures: Next big Wave in Datacenters FremontUSMembers 194Farhan
Big Data Intelligence EnglishtownUSMembers 193Nethra Sambamoorthi
Boston Applied Analytics BostonUSMembers 192sam a
NY Algorithmic Music Meetup New YorkUSMembers 191Drew S.
Groupe Keyrus ParisFRMembres 188Keyrus
Data Management Meet & Mingle BerlinDEDatanauts 185Hi-Gung
nltug - dutch tableau user group 's-HertogenboschNLdata rockstars 182Richard
Advanced Analytics Munich MünchenDEMitglieder 180Frederic
Charlotte Informatica User Group CharlotteUSInformatica Users 177Chris Rosser
Les Vénères du numérique LyonFRMembres 173Rocket Labs
datalove OK Lab Ulm UlmDEStadtentwickler_innen 172Code for Germany
GeoDEL DelhiINMembers 171Guneet Narula
Data Meetup Twente EnschedeNLData Specialisten 168Jorieke
Esupcom' COMAD 2018 [L'événement du digital] ParisFRMembres 164Nicolas Olive
Auckland Google Cloud Meetup AucklandNZMembers 162Brendan S. McEnroe
Growth Hackers in Barcelona BarcelonaESGrowth Hackers 161Ana Larrea
NYC Data Mechanics New YorkUSMembers 158Dexter Taylor
Strukturiert visualisieren & komplexe Inhalte kommunizieren MünchenDEvisuelle Vor- und Querdenker 157Sebastian M
Data Driven Business BrusselsBELeden 156Caroline den Dunnen
Pentaho NL Meetup AmsterdamNLPentaho data ninja's 153Rogier Wessel
SA Branch of the Statistical Society of Australia AdelaideAUMembers 151Lan Kelly
R Frankfurt am Main FrankfurtDEMitglieder 148ADVISORI FTC GmbH
Culture Ouverte ParisFRMembres 147BenjaminJ
Qingdao Data Analytics Meetup QingdaoCNMembers 146James Lue
서울 Greenplum Meetup SeoulKR회원 146Sanghee Lee
Seattle Web Scraping Meetup SeattleUSMembers 145Lee
South Bay Startup Analytics Palo AltoUSMembers 142David Apgar
Data Day Hamburg HamburgDEMitglieder 141InnoGames Meetups
European Alternative Data Meetup AmsterdamNLMembers 141Suburbia
IIoT Karlsruhe KarlsruheDEMitglieder 140Björn Wewer
Business & Industrial Data Analytics (BIDA) Vorarlberg DornbirnATMitglieder 139Kathi Plankensteiner
Wikidata BerlinDEMitglieder 136samu
Power BI and Data Analysis BangaloreINMembers 134Vijay Perepa
School of Data France ParisFRMembres 132Sylvia Fredriksson
Data & Analytics Hangout BurlingtonUSMembers 130LJO
Agile Data Warehousing and Business Intelligence SydneyAUDW & BI Specialists 125steve hitchman
Central NJ SQL Server User Group IselinUSMembers 125James Phillips
Data Golfe VannesFRMembres 125Nicolas Bonnel
BigData|MK Milton KeynesGBData lovers 124AntonioAlvarez
Big Data - Meetup MünchenDEMitglieder 122apt solutions GmbH
Seattle KNIME Users SeattleUSMembers 121Thomas Gabriel
Haarlem Erfgoed & Data HaarlemNLMembers 120Boudewijn van Os
Luleå Datacenter Meetup LuleåSEMembers 119Tor Björn Minde
Stockholm Splunk Meetup StockholmSEMembers 113Max Cederhage
Data Science for MBA and Managers LondonGBdata geeks 112louis d vainqueur
Data Innovation for Health BrusselsBEData Innovators for Health 111Alain Grijseels
DataBeers Almería AlmeríaESDataesbirros 110Marcos Manuel Ortega
RGPD : faut-il brûler toutes ses données ? ParisFRMembres 110Arnaud Thersiquel
Graph Databases Rheinland-Pfalz MainzDEGraphistas 109Neo4j
Philly D3 User Group PhiladelphiaUSMembers 105Ben Garvey
Solid Netherlands UtrechtNLMembers 105Piero C.
Professionals and Consultants Who Like to Drink ArlingtonUSMembers 104Eddie
NYC AI, Innovation, Data Science, & Startups in Pharma New YorkUSPharmhackers 104Prashant
Meetup R en Córdoba CórdobaARMiembros 102Patricio Del Boca
Graph Databases - Calgary CalgaryCAGraphers 100Neo4j
Media Research - NYC BrooklynUSMembers 96Luis Peña
NCR Document Management Systems Meetup NoidaINMembers 95Rameshwar Nigam
Human Resources and Data Analytics WashingtonUSPeople Analyst 95Ngwe-Chantal Njiwah
Intro To Machine Learning Study Group Walnut CreekUSMembers 95Nik E.
Data @ Pamplona PamplonaESMembers 92Philippe Julien
Chicago Snowflake Users ChicagoUSMembers 92Dennis Janek
Brno MATLAB Meetup Group BrnoCZMembers 90Jan Danek
Data & Digital & Networking -Paris ParisFRMembres 87Sara Himmich
Library Resource Sharing: Circ, Interlibrary Loan & Reserves New YorkUSMembers 86METRO
PrivacyTech MünchenDEMitglieder 83Vinzent Ellissen
Nashik Azure developer Meetup NashikINDevelopers 82Tushar Patil
Bangalore Cloud Computing Meetup BangaloreINData center Champanions 77Satyap
Data Science Minds in London LondonGBMembers 75Ariful Mondal
South-West Elastic Community BathGBElks 74Neil Andrassy
Twin Cities Snowflake Meetup MinneapolisUSMembers 73Andy Walz