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 15579Matt Turck
SF Data Science San FranciscoUSData Scientists 14247Galvanize
Advertising / Marketing Analysts New YorkUSData Nerds 7770jon lorenzini
Taiwan R User Group / MLDM Monday TaipeiTWTaiwan R User 5921Chia-Chi Chang
DataKind NYC New YorkUSData Do-Gooders 3430Jake Porway
Chicago City Data Users Group ChicagoUSMembers 3254Adam Hecktman
Analyze Boulder BoulderUSData Geeks 2733Toni Rosati
Institute of Analytics (USA) - Data Sciences and Technology ChennaiINMembers 2682Nethra Sambamoorthi
Graph Database - Paris ParisFRgraphistas 2568Neo4j
Data Visualization Berlin BerlinDEvisionaries 2480Jonas
Boston Algorithmic Trading BostonUSQuants 2459Phoebe Jordan
Big Data & IOT 101 FremontUSBig Data IOT enthusiast 2402Raju Shreewastava
Data Innovation DC WashingtonUSData-preneurs 2213Data Community DC
New England SQL Server User Group BurlingtonUSData Professionals 2211Vladimir Ivanovich
Bay Area Analytics San FranciscoUSData Geeks 1996Graph Day
R User Group - Singapore (RUGS) SingaporeSGR hackers 1954Vikneswaran
DataKind Bangalore BangaloreINData Do-Gooders 1929DataKind Bangalore
Visualising Data London LondonGBMembers 1649Zdenek Hynek
Seattle PyLadies SeattleUSPythonistas 1642Wendy Grus
Big Data Madrid MadridESMiembros 1632Inés Huertas
San Francisco PyData San FranciscoUSPyData Nerds 1586Reynold Xin
Advanced Analytics and Research Lab TorontoCAMembers 1585Eric Huang
Ankara Data Science and Big Data Meetup AnkaraTRData Scientist 1384Dr. M.Umut Demirezen
Hadoop User Group Ireland (HUG IRL) DublinIEMembers 1344Silviu P.
Ottawa Data Visualization OttawaCAData Visualizers 1259Ali Pourshahid
Deep Learning Book Club San FranciscoUSMembers 1257Alena Kruchkova
Marketing Data Lovers, Paris ParisFRData lovers 1240Karim
Graph Database - Amsterdam AmsterdamNLgraphistas 1202Neo4j
Seattle Elasticsearch User Group SeattleUSMembers 1142Elastic DevReal Team
Madrid Periodismo de datos Meetup MadridESperiodistas de datos 1096adolflow
Boston Data Engineering Meetup CambridgeUSData Engineers 1070Jake Ouellette
Digital Shapers BerlinDEDigital Shapers 1014Christoph Goeken
R-Ladies New York New YorkUSRladies 986R-Ladies Global
Orange County Advanced Analytics and Big Data Meetup IrvineUSMembers 968Jerry Hartanto
R-Ladies Washington D.C. WashingtonUSR-Ladies 960R-Ladies Global
Open Data Delaware WilmingtonUSData Ninjas 958Ryan Harrington
London NoSQL, MySQL, Open Source Community LondonGBOpen Source Database Enthusiasts 924Tague Griffith
RS Data Science Meetup Porto AlegreBRcientistas de dados 924Cristofer Weber
Ottawa Civic Tech OttawaCAMembers 896Dan Monafu
PostgreSQL Meetup Group Berlin BerlinDEElephantista 844Oleksii Kliukin
Kaggle Berlin BerlinDEKagglers 840Gerrit Gruben
Proteccion de datos personales en Ciudad de México México CityMXMiembros 837Alister Katrina
Apache Storm & Apache Kafka SunnyvaleUSApache Storm & Kafka Users 824Harsha
DataMeet Mumbai MumbaiINDMers 787Ritvvij Parrikh
Graph Database - Brussels BrusselsBEgraphistas 774Neo4j
Open Data Barcelona BarcelonaESOpenDaters 770Iniciativa Barcelona Open Data
Budapest Data Visualization Meetup BudapestHUData Visualization Evangelists 747Cory M. Cox
Barcelona MongoDB User Group BarcelonaESMembers 742Joe Drumgoole
PyData / PlaY data TaipeiTWData PlaYer 737Chia-Chi Chang
NY Quantitative Python User Group New YorkUSpython enthusiasts 736Enthought
Data for Good - Montreal MontréalCAStats Gurus 731Victor Anjos
Analysts Anonymous LondonGBMembers 683Tim Drye
OpenDataBC (Vancouver) VancouverCAData Geeks 670Gillian Vrooman
Data 2.0 NYC New YorkUSData Innovators 664Jonathan Pasky
Aspiring Data Scientist Community AustinUSData Scientists 663Emily Bartha
Graph Database LA Los AngelesUSGraphistas 658Neo4j
Breizh Data Club RennesFRData nerds 635Colin Fay
Predictive Analytics BerlinDEData Lovers 634Olga S.
Leboncoin Tech ParisFRTechos 622Jean-Louis Bergamo
DataViz London LondonGBDatavizzers 612Duncan Clark
Amazon Alexa Skills Meetup IrvineUSMembers 546Mark Kockerbeck
Federal Software Engineers and Data Scientist BowieUSFed Data Members 532FederalDataGuru
Mapping open data to unlock new insights. London, UK LondonGBMembers 527Manuel Timita
Princeton Data Science PrincetonUSPractitioners 526David Stengle
R-Ladies Boston BostonUSR-ladies 524R-Ladies Global
MAD, Madrid Abriendo Datos MadridESPregonerxs 522adolflow
Graph Database - Atlanta AtlantaUSGraphistas 521Neo4j
London GDPR - General Data Protection Regulation Meetup LondonGBMembers 501Emmanuel Lazaridis
Data Science Munich MünchenDEData Scientists 485Marc
import.io users group LondonGBimport.io users 472Alex Gimson
Apache Kafka Sydney SydneyAUStreamers 461Suresh Khatri
PostgreSQL User Group, Nantes NantesFRMembres 460Rodolphe Quiédeville
Chicago Industry4.0 Tech Series ChicagoUSMembers 422Ty Findley
Meetup Data Science et Transformation Digitale Paris ParisFRMembres 414Irène Balmès
Data + Women France ParisFRData Women 412Tableau France
GUSS, la communauté Data Microsoft ParisFRMembres du GUSS 408Jean-Pierre Riehl
Oslo Growth Hacking Meetup OsloNOGrowth Hackers 405Stefan Okstveit
Trenton R Users (TRU) TrentonUSR brigade 401Praveen Sharma
Graph Database - Austin AustinUSGraphistas 390Neo4j
Boston Data Education Meetup BostonUSdiscipula vitae 385Ian Gomez
Graph Database - Hanoi Ha NoiVNgraphistas 384Neo4j
IRE Bay Area San FranciscoUSJournos 381Patience Haggin
DataBeers Milano MilanoITMembri 380Andrea Gigli
IoTDataViz London LondonGBIoTDataViz Explorers 378Barend Botha
Cambridge Life Sciences Data Management Meetup CambridgeUSMembers 376Barry Wark
Data Driven PDX PortlandUSData Driven PDX Members 374Steven Miller
Bay Area KNIME Users San FranciscoUSKNIMErs 373Michael Berthold
IAPA Informed SydneyAUAnalysts 362Mandy Eyles
Open Knowledge Brisbane BrisbaneAUMembers 361maia
JFORCE Data Science IstanbulTRÜyeler 360Sergül Bakır
Meetup Data Intelligence Paris ParisFRMembres 359Marie-Laure Gautier
Data Science Brest BrestFRMembres 358Maxime HAVEZ
Competetive Data Science @ Tel Aviv Meetup Tel Aviv-YafoILMembers 356Dmitry Dremov
Open Data Lab BarcelonaESMiembros 355Iniciativa Barcelona Open Data
Nagpur mongoDB Meetup NagpurINMongoes 346Varun Karhadkar
UAE - Real-Time Big Data Analytics & Machine learning DubaiAEMembers 345Hamid Wassifi
PDX Graph Meetup PortlandUSGraphistas 335Neo4j
DataMeet Ahmedabad AhmedabadINData Meeters 329Thejesh GN
Data Driven Rijnmond RotterdamNLData Nerds 329Tom Lous
Elastic San Diego Meetup San DiegoUSElastic Fantastics 328Elastic Community Team
Graph Database - Durham DurhamUSGraphistas 324Neo4j
La Coop Infolab Grenoble GrenobleFRMembres 321Scop la Péniche
GraphDb Melbourne MelbourneAUGraphistas 319Neo4j
Full Scale Data Architects AmsterdamNLMembers 311Martijn Evers
MünsteR (R Users Group) MünsterDER-User 311Shirin Glander
Bangalore d3.js User Group BangaloreINmembers 294Murali
London Einstein Analytics Meetup LondonGBMembers 280Rikke Hovgaard
Visser & Van Baars - The BI & Big Data Network Antwerp AntwerpenBELeden 279Luca Prak
InsurTech France ParisFRMembres 278Jérôme Chasques
NYC Pig User Group New YorkUSMembers 276John Matson
UCLAx: Data Science Practicum Santa MonicaUSMembers 271Joshua Cook
Istanbul MongoDB Meetup IstanbulTRMembers 269Ertan Erışık
Meetup Café com Dados CascavelBRParticipantes 230Leandro de Souza
NJ Big Data Meetup ButlerUSConsultants 230Thomas Ott
Graph Database San Diego San DiegoUSGraphistas 229Neo4j
Data Science Meetup Bielefeld BielefeldDEDataworkers 226Philipp A.
NYC TM1 Lovers New YorkUSTM1 Lovers 225Lisa Minneci
JPoint UtrechtNLLeden 225JPoint
Helsinki Apache Spark Meetup #helspark EspooFISpark ninjas 216Vladimir Grigor
Open Source Finance San FranciscoUSFinance Hackers 212Dimitri Papaioannou
NY InsuranceTech (Insuretech) Startup Group New YorkUSInsureTechies 201Prashant
Puget Sound Big Data Professionals RedmondUSMiners in Regression 196Keith McCammon
I-380 PASS SQL Server User Group Cedar RapidsUSMembers 191Ed Leighton-Dick
Big Data Intelligence EnglishtownUSMembers 191Nethra Sambamoorthi
Groupe Keyrus ParisFRMembres 187Keyrus
NY Algorithmic Music Meetup New YorkUSMembers 186Drew S.
linz.ai - Data Science Meetup LinzATMitglieder 186Christian Gorbach
Data Management Meet & Mingle BerlinDEDatanauts 184Hi-Gung
Advanced Analytics Munich MünchenDEMitglieder 181Frederic
Santiago E-Commerce Meetup SantiagoCLMembers 179Noah
Charlotte Informatica User Group CharlotteUSInformatica Users 175Chris Rosser
On data and design – Vienna ViennaATDataVizers 175Darjan Hil
SQL Server User Group - Cork CorkIEMembers 174Seán Carr
Hyperconverged Infrastructures: Next big Wave in Datacenters FremontUSMembers 173Farhan
datalove OK Lab Ulm UlmDEStadtentwickler_innen 171Code for Germany
nltug - dutch tableau user group 's-HertogenboschNLdata rockstars 169Richard
Esupcom' COMAD 2018 [L'événement du digital] ParisFRMembres 164Nicolas Olive
Data Meetup Twente EnschedeNLData Specialisten 162Jorieke
Auckland Google Cloud Meetup AucklandNZMembers 162Brendan S. McEnroe
Movement Meetups - Dhaka DhakaBDMembers 161Malinda Senanayake
Growth Hackers in Barcelona BarcelonaESGrowth Hackers 159Ana Larrea
NYC Data Mechanics New YorkUSMembers 159Dexter Taylor
Strukturiert visualisieren & komplexe Inhalte kommunizieren MünchenDEvisuelle Vor- und Querdenker 157Sebastian M
Pentaho NL Meetup AmsterdamNLPentaho data ninja's 155Rogier Wessel
Data Management Platforms for Digital Advertising San FranciscoUSMembers 155Anna Odvak
Culture Ouverte ParisFRMembres 147BenjaminJ
GeoDEL DelhiINMembers 145Guneet Narula
Les Vénères du numérique LyonFRMembres 142Rocket Labs
Data Day Hamburg HamburgDEMitglieder 140InnoGames Meetups
Wikidata BerlinDEMitglieder 137samu
Seattle Web Scraping Meetup SeattleUSMembers 137lee grambush
Qingdao Data Analytics Meetup QingdaoCNMembers 136James Lue
School of Data France ParisFRMembres 132Sylvia Fredriksson
서울 Greenplum Meetup SeoulKR회원 132Sanghee Lee
SA Branch of the Statistical Society of Australia AdelaideAUMembers 129Lan Kelly
Agile Data Warehousing and Business Intelligence SydneyAUDW & BI Specialists 126steve hitchman
BigData|MK Milton KeynesGBData lovers 126AntonioAlvarez
Seattle KNIME Users SeattleUSMembers 124Thomas Gabriel
Central NJ SQL Server User Group IselinUSMembers 123James Phillips
Data Golfe VannesFRMembres 117Nicolas Bonnel
Haarlem Erfgoed & Data HaarlemNLMembers 115Boudewijn van Os
Luleå Datacenter Meetup LuleåSEMembers 115Tor Björn Minde
Data Science for MBA and Managers LondonGBdata geeks 115louis d vainqueur
The Information Lab Data School LondonGBMembers 115Tom brown
Business & Industrial Data Analytics (BIDA) Vorarlberg DornbirnATMitglieder 108Kathi Plankensteiner
DataBeers Almería AlmeríaESDataesbirros 107Marcos Manuel Ortega
Data Innovation for Health BrusselsBEData Innovators for Health 106Alain Grijseels
RGPD : faut-il brûler toutes ses données ? ParisFRMembres 105Arnaud Thersiquel
Graph Databases Rheinland-Pfalz MainzDEGraphistas 104Neo4j
South Bay Startup Analytics Palo AltoUSMembers 104David Apgar
Data Driven Product Management - Rhein-Main FrankfurtDEMitglieder 102Claudia Nowak
Philly D3 User Group PhiladelphiaUSMembers 101Ben Garvey
Professionals and Consultants Who Like to Drink ArlingtonUSMembers 101Eddie
Stockholm Splunk Meetup StockholmSEMembers 99Max Cederhage
Graph Databases - Calgary CalgaryCAGraphers 98Neo4j
European Alternative Data Meetup AmsterdamNLMembers 98Suburbia
Media Research - NYC BrooklynUSMembers 96Luis Peña
Milwaukee Integration Practitioners Meetup MilwaukeeUSMembers 94Kyle Usher
Meetup R en Córdoba CórdobaARMiembros 93Patricio Del Boca
Human Resources and Data Analytics WashingtonUSPeople Analyst 91Ngwe-Chantal Njiwah
Brno MATLAB Meetup Group BrnoCZMembers 87Jan Danek
Data @ Pamplona PamplonaESMembers 86Philippe Julien
IIoT Karlsruhe KarlsruheDEMitglieder 85Björn Wewer
R Frankfurt am Main FrankfurtDEMitglieder 85ADVISORI FTC GmbH
Library Resource Sharing: Circ, Interlibrary Loan & Reserves New YorkUSMembers 84METRO
NCR Document Management Systems Meetup NoidaINMembers 84Rameshwar Nigam
Chicago Snowflake Users ChicagoUSMembers 80Dennis Janek
Data & Digital & Networking -Paris ParisFRMembres 80Sara Himmich
Nashik Azure developer Meetup NashikINDevelopers 78Tushar Patil
PowerBI MeetUp WroclawPLCzłonkowie 77Olga Włódarczyk
Bangalore Cloud Computing Meetup BangaloreINData center Champanions 75Satyap
Data Science Minds in London LondonGBMembers 74Ariful Mondal
South-West Elastic Community BathGBElks 72Neil Andrassy
Data Driven Business BrusselsBELeden 71Caroline den Dunnen
Informatica Cloud BangaloreINMembers 70None
Hashgraph Munich MünchenDEMembers 69Wilhelmina Jewell Sparks
Paris User Club SoLocal ParisFRUserClubiens 68Emmanuel Conrardy
Marbella Developers Meetup MarbellaESDevelopers 65Joe Carney
Platform Digital Analytics AmsterdamNLLeden 65Platform Digital Analytics
Vile Parle Andheri Datameet MumbaiINDataholics 64Milind Khadilkar