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 16373Matt Turck
SF Data Science San FranciscoUSData Scientists 14607Galvanize
Advertising / Marketing Analysts New YorkUSData Nerds 8318jon lorenzini
Taiwan R User Group / MLDM Monday TaipeiTWTaiwan R User 6198Chia-Chi Chang
Institute of Analytics (USA) - Data Sciences and Technology ChennaiINMembers 3485Nethra Sambamoorthi
DataKind NYC New YorkUSData Do-Gooders 3474Jake Porway
Chicago City Data Users Group ChicagoUSMembers 3472Adam Hecktman
Analyze Boulder BoulderUSData Geeks 2851Toni Rosati
Big Data & IOT 101 FremontUSBig Data IOT enthusiast 2677Raju Shreewastava
Data Visualization Berlin BerlinDEvisionaries 2628Jonas
Graph Database - Paris ParisFRgraphistas 2619Neo4j
Boston Algorithmic Trading BostonUSQuants 2536Phoebe Jordan
New England SQL Server User Group BurlingtonUSData Professionals 2298Vladimir Ivanovich
Data Innovation DC WashingtonUSData-preneurs 2215Data Community DC
DataKind Bangalore BangaloreINData Do-Gooders 2059DataKind Bangalore
Bay Area Analytics San FranciscoUSData Geeks 1981Graph Day
R User Group - Singapore (RUGS) SingaporeSGR hackers 1960Vikneswaran
Big Data Madrid MadridESMiembros 1893Inés Huertas
San Francisco PyData San FranciscoUSPyData Nerds 1744Reynold Xin
Seattle PyLadies SeattleUSPythonistas 1737Wendy Grus
Visualising Data London LondonGBMembers 1692Zdenek Hynek
Advanced Analytics and Research Lab TorontoCAMembers 1689Eric Huang
Ankara Data Science and Big Data Meetup AnkaraTRData Scientist 1536Dr. M.Umut Demirezen
Ottawa Data Visualization OttawaCAData Visualizers 1441Ali Pourshahid
Marketing Data Lovers, Paris ParisFRData lovers 1359Karim
Hadoop User Group Ireland (HUG IRL) DublinIEMembers 1347Silviu P.
Deep Learning Book Club San FranciscoUSMembers 1272Alena Kruchkova
Seattle Elasticsearch User Group SeattleUSMembers 1234Elastic Community Team
Graph Database - Amsterdam AmsterdamNLgraphistas 1206Neo4j
R-Ladies Washington D.C. WashingtonUSR-Ladies 1164R-Ladies Global
Madrid Periodismo de datos Meetup MadridESperiodistas de datos 1122adolflow
R-Ladies New York New YorkUSRladies 1120R-Ladies Global
Boston Data Engineering Meetup CambridgeUSData Engineers 1077Jake Ouellette
Orange County Advanced Analytics and Big Data Meetup IrvineUSMembers 1067Jerry Hartanto
Open Data Delaware WilmingtonUSData Ninjas 1044Ryan Harrington
PostgreSQL Meetup Group Berlin BerlinDEElephantista 1020Oleksii Kliukin
Digital Shapers BerlinDEDigital Shapers 1005Christoph Goeken
Ottawa Civic Tech OttawaCAMembers 974Dan Monafu
RS Data Science Meetup Porto AlegreBRcientistas de dados 962Cristofer Weber
Proteccion de datos personales en Ciudad de México México CityMXMiembros 937Alister Katrina
London NoSQL, MySQL, Open Source Community LondonGBOpen Source Database Enthusiasts 909Dave Nielsen
Data for Good - Montreal MontréalCAStats Gurus 856Victor Anjos
Apache Storm & Apache Kafka SunnyvaleUSApache Storm & Kafka Users 852Harsha
Kaggle Berlin BerlinDEKagglers 846Gerrit Gruben
Open Data Barcelona BarcelonaESOpenDaters 829Iniciativa Barcelona Open Data
DataMeet Mumbai MumbaiINDMers 792Ritvvij Parrikh
Graph Database - Brussels BrusselsBEgraphistas 788Neo4j
Barcelona MongoDB User Group BarcelonaESMembers 779Joe Drumgoole
Aspiring Data Scientist Community AustinUSData Scientists 764Emily Bartha
Budapest Data Visualization Meetup BudapestHUData Visualization Evangelists 753Cory M. Cox
Analysts Anonymous LondonGBMembers 748Tim Drye
PyData / PlaY data TaipeiTWData PlaYer 741Chia-Chi Chang
NY Quantitative Python User Group New YorkUSpython enthusiasts 735Enthought
Breizh Data Club RennesFRData nerds 713Colin Fay
OpenDataBC (Vancouver) VancouverCAData Geeks 669Gillian Vrooman
Graph Database LA Los AngelesUSGraphistas 654Neo4j
Data 2.0 NYC New YorkUSData Innovators 653Leon Stankowski
Predictive Analytics BerlinDEData Lovers 636Olga S.
leboncoin Engineering ParisFRTechos 629Jean-Louis Bergamo
DataViz London LondonGBDatavizzers 611Duncan Clark
R-Ladies Boston BostonUSR-ladies 576R-Ladies Global
The Information Lab Data School LondonGBMembers 575Tom brown
Data + Women France ParisFRData Women 574Tableau France
London Einstein Analytics DataTribe LondonGBMembers 572Rikke Hovgaard
Amazon Alexa Skills Meetup IrvineUSMembers 564Mark Kockerbeck
Federal Software Engineers and Data Scientist BowieUSFed Data Members 563FederalDataGuru
Princeton Data Science PrincetonUSPractitioners 539David Stengle
Mapping open data to unlock new insights. London, UK LondonGBMembers 530Manuel Timita
DataBeers Milano MilanoITMembri 530Andrea Gigli
London GDPR - General Data Protection Regulation Meetup LondonGBMembers 527Emmanuel Lazaridis
Meetup Data Intelligence Paris ParisFRMembres 521Marie-Laure Gautier
MAD, Madrid Abriendo Datos MadridESPregonerxs 517adolflow
Graph Database - Atlanta AtlantaUSGraphistas 515Neo4j
Apache Kafka Sydney SydneyAUStreamers 509Suresh Khatri
PostgreSQL User Group, Nantes NantesFRMembres 492Rodolphe Quiédeville
Amazon - New York City - Tech | Official Meetup New YorkUSMembers 488Prakash Krishnan
Data Science Munich MünchenDEData Scientists 486Marc
Chicago Industry4.0 Tech Series ChicagoUSMembers 482Ty Findley
import.io users group LondonGBimport.io users 467Alex Gimson
Trenton R Users (TRU) TrentonUSR brigade 426Praveen Sharma
Meetup Data Science et Transformation Digitale Paris ParisFRMembres 417Irène Balmès
GUSS, la communauté Data Microsoft ParisFRMembres du GUSS 409Jean-Pierre Riehl
Data Science Brest BrestFRMembres 409Maxime HAVEZ
Open Data Lab BarcelonaESMiembros 408Iniciativa Barcelona Open Data
Bay Area KNIME Users San FranciscoUSKNIMErs 407Michael Berthold
Oslo Growth Hacking Meetup OsloNOGrowth Hackers 402Stefan Okstveit
Kaggle Days Meetup Warsaw WarsawPLCzłonkowie 400Patrycja Urbanek
Graph Database - Hanoi Ha NoiVNgraphistas 393Neo4j
Graph Database - Austin AustinUSGraphistas 392Neo4j
Boston Data Education Meetup BostonUSdiscipula vitae 387Ian Gomez
MünsteR (R Users Group) MünsterDER-User 383Shirin Glander
IoTDataViz London LondonGBIoTDataViz Explorers 382Barend Botha
Nagpur mongoDB Meetup NagpurINMongoes 381Varun Karhadkar
Open Knowledge Brisbane BrisbaneAUMembers 380maia
IRE Bay Area San FranciscoUSJournos 377Patience Haggin
Data Driven PDX PortlandUSData Driven PDX Members 375Steven Miller
Cambridge Life Sciences Data Management Meetup CambridgeUSMembers 372Barry Wark
Elastic San Diego Meetup San DiegoUSElastic Fantastics 364Elastic Community Team
Competetive Data Science @ Tel Aviv Meetup Tel Aviv-YafoILMembers 364Dmitry Dremov
IAPA Informed SydneyAUAnalysts 361Marketing
UAE - Real-Time Big Data Analytics & Machine learning DubaiAEMembers 346Hamid Wassifi
Movement Meetups - Dhaka DhakaBDMembers 342Malinda Senanayake
DataMeet Ahmedabad AhmedabadINData Meeters 336Thejesh GN
La Coop Infolab Grenoble GrenobleFRMembres 335Scop la Péniche
Visser & Van Baars - The BI & Big Data Network Antwerp AntwerpenBELeden 335Luca Prak
PDX Graph Meetup PortlandUSGraphistas 334Neo4j
Data Driven Rijnmond RotterdamNLData Nerds 326Tom Lous
Graph Database - Durham DurhamUSGraphistas 324Neo4j
Full Scale Data Architects AmsterdamNLMembers 320Martijn Evers
GraphDb Melbourne MelbourneAUGraphistas 318Neo4j
Data Science Practicum Santa MonicaUSMembers 304Joshua Cook
Data Driven Product Management - Rhein-Main FrankfurtDEMitglieder 294Claudia Nowak
Bangalore d3.js User Group BangaloreINmembers 293Murali
On data and design – Vienna ViennaATDataVizers 286Darjan Hil
Data Science Meetup Bielefeld BielefeldDEDataworkers 281Philipp A.
NYC Pig User Group New YorkUSMembers 274John Matson
Istanbul MongoDB Meetup IstanbulTRMembers 274Ertan Erışık
linz.ai - Data Science Meetup LinzATMitglieder 265Christian Gorbach
Auckland Google Cloud Meetup AucklandNZMembers 259Brendan S. McEnroe
Meetup Café com Dados CascavelBRParticipantes 250Leandro de Souza
Power BI and Data Analysis BangaloreINMembers 239Vijay Perepa
NJ Big Data Meetup ButlerUSConsultants 231Thomas Ott
NYC TM1 Lovers New YorkUSTM1 Lovers 229Lisa Minneci
SQL Server User Group - Cork CorkIEMembers 226Seán Carr
Graph Database San Diego San DiegoUSGraphistas 225Neo4j
JPoint UtrechtNLLeden 225JPoint
Helsinki Apache Spark Meetup #helspark EspooFISpark ninjas 219Vladimir Grigor
Les Digital Vénères LyonFRvénère 218Rocket Labs
Open Source Finance San FranciscoUSFinance Hackers 214Dimitri Papaioannou
I-380 PASS SQL Server User Group Cedar RapidsUSMembers 210Ed Leighton-Dick
Data Driven Business BrusselsBELeden 202Caroline den Dunnen
Hyperconverged Infrastructures: Next big Wave in Datacenters FremontUSMembers 201Farhan
Puget Sound Big Data Professionals RedmondUSMiners in Regression 200Keith McCammon
NY InsuranceTech (Insuretech) Startup Group New YorkUSInsureTechies 200Prashant
NYC Data Mechanics New YorkUSMembers 200Dexter Taylor
Institute of Analytics - SanFrancisco, USA San FranciscoUSMembers 199Nethra Sambamoorthi
NY Algorithmic Music Meetup New YorkUSMembers 198Drew S.
Data Management Platforms for Digital Advertising San FranciscoUSMembers 196Anna Odvak
Advanced Analytics Munich MünchenDEMitglieder 195Frederic
Boston Applied Analytics BostonUSMembers 193sam a
Groupe Keyrus ParisFRMembres 188Keyrus
nltug - dutch tableau user group 's-HertogenboschNLdata rockstars 187Richard
Data Management Meet & Mingle BerlinDEDatanauts 183Hi-Gung
Charlotte Informatica User Group CharlotteUSInformatica Users 180Chris Rosser
R Frankfurt am Main FrankfurtDEMitglieder 177ADVISORI FTC GmbH
GeoDEL DelhiINMembers 174Guneet Narula
Data & Analytics Hangout BurlingtonUSMembers 173LJO
datalove OK Lab Ulm UlmDEStadtentwickler_innen 172Code for Germany
Data Meetup Twente EnschedeNLData Specialisten 172Jorieke
Tech Story Circle @ WeWork (San Francisco) San FranciscoUSMembers 167Breton Krafft
R en Córdoba CórdobaARMiembros 165Patricio Del Boca
IIoT Karlsruhe KarlsruheDEMitglieder 164Björn Wewer
Esupcom' COMAD 2018 [L'événement du digital] ParisFRMembres 163Nicolas Olive
Growth Hackers in Barcelona BarcelonaESGrowth Hackers 162Ana Larrea
서울 Greenplum Meetup SeoulKR회원 162Sanghee Lee
Strukturiert visualisieren & komplexe Inhalte kommunizieren MünchenDEvisuelle Vor- und Querdenker 160Sebastian M
European Alternative Data Meetup AmsterdamNLMembers 157Suburbia
Qingdao Data Analytics Meetup QingdaoCNMembers 156James Lue
SA Branch of the Statistical Society of Australia AdelaideAUMembers 156Lan Kelly
Pentaho NL Meetup AmsterdamNLPentaho data ninja's 154Rogier Wessel
Luleå Datacenter Meetup LuleåSEMembers 153Tor Björn Minde
Business & Industrial Data Analytics (BIDA) Vorarlberg DornbirnATMitglieder 153Kathi Plankensteiner
Wikidata BerlinDEMitglieder 148Sebastian Wallroth
Culture Ouverte ParisFRMembres 147BenjaminJ
Seattle Web Scraping Meetup SeattleUSMembers 146Lee
Big Data - Meetup MünchenDEMitglieder 143apt solutions GmbH
Data Day Hamburg HamburgDEMitglieder 142InnoGames Meetups
RGPD: Comment cette réglementation impacte le Big Data ? Neuilly-sur-SeineFRMembres 136Maltem Consulting Group
Solid Netherlands UtrechtNLSolid'ers 134Piero C.
School of Data France ParisFRMembres 130Sylvia Fredriksson
Central NJ SQL Server User Group IselinUSMembers 129James Phillips
Data Golfe VannesFRMembres 129Nicolas Bonnel
DataBeers Almería AlmeríaESDataesbirros 128Marcos Manuel Ortega
Agile Data Warehousing and Business Intelligence SydneyAUDW & BI Specialists 125steve hitchman
Intro To Machine Learning Study Group Walnut CreekUSMembers 125None
BigData|MK Milton KeynesGBData lovers 124AntonioAlvarez
Haarlem Erfgoed & Data HaarlemNLMembers 121Boudewijn van Os
Seattle KNIME Users SeattleUSMembers 120Thomas Gabriel
Stockholm Splunk Meetup StockholmSEMembers 117Max Cederhage
RGPD : faut-il brûler toutes ses données ? ParisFRMembres 113Arnaud Thersiquel
NYC AI, Innovation, Data Science, & Startups in Pharma New YorkUSPharmhackers 112Prashant
Graph Databases Rheinland-Pfalz MainzDEGraphistas 108Neo4j
Philly D3 User Group PhiladelphiaUSMembers 108Ben Garvey
Graph Databases - Calgary CalgaryCAGraphers 102Neo4j
Brno MATLAB Meetup Group BrnoCZMembers 102Jan Danek
Media Research - NYC BrooklynUSMembers 100Luis Peña
NCR Document Management Systems Meetup NoidaINMembers 99Rameshwar Nigam
Human Resources and Data Analytics WashingtonUSPeople Analyst 98Ngwe-Chantal Njiwah
Chicago Snowflake Users ChicagoUSMembers 96Shay Rao
Data @ Pamplona PamplonaESMembers 94Philippe Julien
Library Resource Sharing: Circ, Interlibrary Loan & Reserves New YorkUSMembers 91METRO
Data & Digital & Networking -Paris ParisFRMembres 91Sara Himmich
Disrupt Meetup | Data Science and AI Berlin BerlinDEMitglieder 87Maximilian Farber
Nashik Azure developer Meetup NashikINDevelopers 86Tushar Patil
PrivacyTech MünchenDEMitglieder 85Vinzent Ellissen
Snowflake Technical User's Rocky Mountain LouisvilleUSSnowflakes 80Martha
Bangalore Cloud Computing Meetup BangaloreINData center Champanions 79Satyap
Twin Cities Snowflake Meetup MinneapolisUSMembers 78Andy Walz
La Qlik Force ParisFRMembres 78Jean-Noël SAUNOIS
Data Science Minds in London LondonGBMembers 76Ariful Mondal