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

Name City Country Focus Members Contact Name
Women Who Code NYC New YorkUSBadass Coders 13990Women Who Code
The SF JavaScript Meetup San FranciscoUSJS Hackers 13482Dave Nugent
Pune Developer's Community PuneINPDC 9964Suyog
Uber Engineering Events - San Francisco San FranciscoUSEngineering Enthusiasts 9447Uber Engineering
Build with Code - New York City New YorkUSEngineers 9248Jenny M.
London JavaScript Community LondonGBJSLovers 8638luca mezzalira
Expert Talks Pune PuneINTech Enthusiasts 8110Ashish
Toronto JavaScript TorontoCAMembers 7892Paul Dowman
ReactJS San Francisco Bay Area meetup San FranciscoUSDevelopers 7442devon lindsey
JavaScript Israel Tel Aviv-YafoILJavaScripters 7264Shai Reznik
Founders and Coders LondonGBcollaborators 6857Dan Sofer
Ironhack Madrid MadridESIronhackers 6736Ignacio Sanchez Jurado (Nacho)
NY JavaScript New YorkUSJavaScripters 6656Jovena Whatmoor
NYC Nodejs New YorkUSNodesters 6288Peter Bell
Women Who Code Silicon Valley SunnyvaleUSCoders 6207Women Who Code
Hack Reactor: Learn to Code San FranciscoUSEngineers 5883Tyler Lambe
JavaScript Meetup BangaloreINJS Hackers 5862Ganesh Samarthyam
GDG Lagos LagosNGMembers 5632Femi TAIWO
Paris.js ParisFRJavaScripteurs 5477Pierrick Paul
Node.js Paris ParisFRNodeurs 5301Etienne Folio
San Diego JavaScript Community San DiegoUSJavaScripters 5224Todd Bashor
Devhub Toronto TorontoCADevelopers 5207Emma Cuddy
JavaScript São Paulo São PauloBRJavascript developers 5034Igor Luiz Halfeld
BostonJS BostonUSJavaScripters 5033Lina Lekova
MedellínJS MedellínCOJavaScripters 4940Julián Duque
Coderplex Community HyderabadINCoders 4935Kapil Dutta
SingaporeJS SingaporeSGdevelopers 4924Tim Oxley
WarsawJS WarsawPLMembers 4895Piotr Zientara
Real World React San FranciscoUSDevelopers 4579Benjamin Dunphy
Women Who Code Berlin BerlinDEMembers 4537Women Who Code
IBM Code London LondonGBCoders 4518Mo Haghighi
Modern Web Mountain ViewUSMembers 4476Tracy
Node Sydney SydneyAUnoders 4453James Richardson
SFNode San FranciscoUSNode Users 4447Dan Shaw
js-montreal - montreal's javascript user group MontréalCAJavascripters 4437Bruno Carriere
Coders in Rio Rio de JaneiroBRCoders 4250Rafael Cruz
Eventloop México CityMXDesarrolladores 4168Jeduan Cornejo
Node.js Club SF San FranciscoUSMembers 4037Matt Pardee
JSLovers DelhiINJSLovers 4000Neha Sharma
sthlm.js StockholmSEJavaScripters 3972Jonny Strömberg
NodeBR - São Paulo São PauloBRnoders 3935Erick Wendel
React en Buenos Aires Buenos AiresARreactors 3897sebasjm
BarcelonaJS BarcelonaESJavaScripters 3891Tudor
AngularSP São PauloBRsuperheroes 3884William Grasel
Meetup.js Buenos AiresARJavascripters 3860Alejandro Oviedo
Node.js Madrid MadridESasíncronos 3785Alex Fernández
Jakarta Javascript User Group JakartaIDJavaScript Ninja 3767Hengki Sihombing
React Chicago ChicagoUSMembers 3751Bill Gloff
JavaScript MN MinneapolisUSJavaScripters 3716Randall Meeker
Javascript Hyderabad HyderabadINjS'ers 3715Harish
JSLovers-Bengaluru BangaloreINJSLovers 3703Neha
Node.js Israel Tel Aviv-YafoILNoders 3695Lior Kesos
Seattle React.js SeattleUSMembers 3645Justin Soliz
UtahJS Salt Lake CityUSJavaScriptafarians 3627Ken Snyder
KrakowJS KrakówPLJS pros 3610Krzysztof Kula
js.la - The Los Angeles JavaScript meetup Santa MonicaUSJavaScriptianados 3592David Guttman
Angular Paris ParisFRAngularians 3569Patrick Aljord
Manila JavaScript ManilaPHJS Developers 3531Thomas Laughlin
Code Oregon PortlandUSStudents 3520Jenny W
Women Who Code Portland PortlandUSCoders 3503Women Who Code
Chicago Node.js ChicagoUSMembers 3392Mike Hostetler
JSTANBUL: İstanbul JS UG (moved to kommunity.com/jstanbul) IstanbulTRNinjas 3284Fatih Kadir Akın
Portland ReactJS PortlandUSreactivists 3258Jason Brown
East Bay JavaScript Meetup Group OaklandUSJS Hackers 3245Dan McAulay
DhakaJS DhakaBDMembers 3244Md. Azharul Islam
Node.js Denver/Boulder/Ft. Collins DenverUSMembers 3230Brooks Patton
Women Who Code Dallas/Ft. Worth DallasUSCoders 3219Women Who Code
NodersJS SantiagoCLJavascript@s 3196Ender Bonnet
Seattle Node.js SeattleUSNode-jsers 3188Ryan Roemer
London Node.js User Group LondonGBMembers 3161Adam Davis
IT Development Café AmsterdamNLDevelopment Heroes 3121Luca Prak
AngularMadrid MadridESAngulares 3109Juanfran
Ironhack Paris ParisFRIronhackers 3107Karim Fadlallah
Geek97 DelhiINGeeks 3079Dhananjay Kumar
Node.js Dilli DelhiINHackers 3063Anup Bishnoi
Polyglot Languages & Runtimes (Java, JVM, nodejs, Swift...) BangaloreINMembers 3047Gireesh Punathil
Austin Node.js AustinUSnoders 3011Mike McNeil
hackcolab BarcelonaESMembers 3005David Pich
HTML5 + JS Ciudad de México México CityMXMXL5 2999Alejandro
AmsterdamJS AmsterdamNLJavaScripters 2998Robert Haritonov
JavaScriptLA Meetup Los AngelesUSJavaScript Ninjas 2986VJ
Frontend Developer Meetup Amsterdam AmsterdamNLFrontend Developers 2975Frontend Love
JavaScript KC Kansas CityUSDevelopers 2970Josh Durham
Jakarta Learns Programming JakartaIDLearners 2936Sigit Prayoga
BrisJS - Brisbane JavaScript BrisbaneAUJavaScript Developers 2926Nigel
Node.js Meetup Berlin BerlinDEJavaScripters 2920Andreas Lubbe
Atlanta Nodejs Developers AtlantaUSNode.lers 2898Ryan Connelly
NashJS NashvilleUSmembers 2879Will
SoCal Node.js Los AngelesUSNoders 2851David
FranceJS ParisFRjavascripters 2841Julien Bouquillon [revolunet]
vienna.js Vienna JavaScript User Group ViennaATJavaScripters 2836Roland Schütz
Free Code Camp Portland PortlandUSCampers 2817Brigette Eckert
life michael tel aviv Tel Aviv-YafoILMembers 2816Haim Michael
JS Roundabout LondonGBJS Enthusiasts 2806Phill Bateman
Phoenix JavaScript PhoenixUSJavaScript Enthusiasts 2801Sal Aiello
JavaScript Ankara AnkaraTRJavaScript Tutkunları 2799Ustun Ozgur
Hack Reactor NYC New YorkUSFuture coders 2784Tyler Lambe
node.dc WashingtonUSNode programmers 2783Andrew Dunkman
Serverless San FranciscoUSMembers 2756Serverless User Group
Web Developers Community Ra'ananaILMembers 2734Ori Calvo
freeCodeCamp - Houston HoustonUSCampers 2715Jason Ephraim
EgyptJS CairoEGMembers 2684Mohamed Shaban
Triangle JavaScript DurhamUSMembers 2675Kyle Buchanan
React Amsterdam AmsterdamNLMembers 2664Robert Haritonov
Serverless London LondonGBMembers 2657Serverless User Group
AngularTO TorontoCAMembers 2651Nick Van Weerdenburg
The Digital Pond LondonGBDigital Ponderers 2643Siji Onabanjo
Women Who Code Bangalore BangaloreINCoders 2642Women Who Code
Hyderabad Javascript Group HyderabadIN_javascripters 2623Ran.ga.na.than
GreeceJS AthensGRJavaScript devs 2618Elias Niaos
Guadalajara JS GuadalajaraMXJavascripters 2617Orlando Del Aguila Febres
ReactJS and Friends PuneINMembers 2598Vipul A M
SeattleJS Hackers SeattleUSHackers 2593Sam Eubank
ng-sydney SydneyAUAngular Developers 2583Meligy
React Delhi NCR DelhiINMembers 2562Anoop Gupta
Ottawa JavaScript OttawaCAMembers 2543Owain
Boston Node BostonUSMembers 2496Brian Sodano
DigitalCrafts | Learn to Code in Atlanta AtlantaUSBuilders 2489Max M.
LyonJS LyonFRJS lovers 2488Paul Mougel
BandungJS BandungIDMembers 2476Zufrizal Yordan
Dev Dialogue New YorkUSDevelopers 2471Matthew Jording
CopenhagenJS CopenhagenDKpeople 2435Kevin Simper
South Bay JavaScript Meetup Mountain ViewUSjavascraps 2427Jackie Ho
Modern Web (Triangle) RaleighUSMembers 2423Tracy
Dublin - Coder Forge DublinIECoders 2419Enda
MakerSpace Charlotte CharlotteUSMakers 2397Benjamin Gatti
DenverScript DenverUSScriptonites 2392Matt Webb
Learn To Code Phoenix PhoenixUSMembers 2354Galvanize
React Vancouver Meetup VancouverCAMembers 2351Eric Kim
Skyway Software Symposium MinneapolisUStech folk 2349Kevin Behrens
React Medellín MedellínCOMiembros 2349Alejandro Nanez
Client Side Technologies BangaloreINTechies 2328Gautham Pai
Dublin Node.js Meetup DublinIENoders 2327Sean Walsh
Vuejs Paris ParisFRVuers 2324Eduardo
Node Melbourne MelbourneAUNodes 2319Andrey Sidorov
Learn to Code New York New YorkUSCoders 2309Galvanize
Angular Nigeria (ng)² LagosNGMembers 2300Kelechi Oti
JavaScript Lab Paris ParisFRJS Hackers 2296Community Hackages
NodeUA KyivUAsoftware engineers 2292Timur Shemsedinov
PDXnode PortlandUSNodesters 2287Ben Michel
BudapestJS BudapestHUJavaScript Ninjas 2279Norbert Sram
Front End Orlando CodePen OrlandoUSFront End Orlando CodePenners 2278David K
Mentorship Saturdays PortlandUSMembers 2274Bradley Kouchi
Azure Israel Tel Aviv-YafoILMembers 2271Israeli Azure
Azure Dublin Meetup DublinIEAzurees 2270Bryan Conneely
London Javascript LondonGBDevs 2270christoffer noring
BayNode - The Bay Area Node.js Meetup Mountain ViewUSCallbacks 2263DMYTRO
Uncoded | Long Beach Tech Meetups & Events Long BeachUSMembers 2261Mike Stewart
Cambridge Developer Entrepreneur Networking Full Stack CambridgeUSMembers 2253Aaron K
Lima NodeJS Meetup LimaPENodistas 2247Rein Petersen
Modern Web UI Palo AltoUSMembers 2227Tracy
Codeworks - Barcelona BarcelonaESCoders 2222Eloi Alcaide
Uszanowanko Programowanko GliwicePLDoges 2175Marcin Mazurek
opensanca São CarlosBRMembros 2139Lucas Marques
Docker - Kubernetes - Openshift Hyderabad HyderabadINMembers 2135None
Node Boston BostonUSMembers 2113Freedom Dumlao
I Teach You Programming, So You Teach Me English! TokyoJPMembers 2094Hiroaki Yasutomo
GolangNYC New YorkUSGophers 2075Gray Herter
BucharestJS BucharestROJS Hackers 2053Ciprian Borodescu
Colombo JS Meetup ColomboLKdevelopers 2051Pasindu De Silva
T.O.J. - Tales Of JavaScript San FranciscoUSMembers 2042Ann Burkett
The JavaScript Austin Meetup Group AustinUSJavaScripters 2042Johnathan Hebert
Portland JavaScript Admirers PortlandUSAdmirers 2034Benjamin Herson
Fullstack Developers New YorkUS{{developers}} 2034Alexander David
JS Belgrade Meetup BelgradeRSMembers 2023Slobodan Stojanovic
Mumbai JavaScript Meetup MumbaiINJavascriptors 2020Bilal Budhani
Bay Area JavaScript Interview Prep Meetup SunnyvaleUSProblem Solver 2019Jack Wong
MilwaukeeJS MilwaukeeUSJavaScripters 2011Roman Reynebeau
Bristol JS BristolGBMembers 1998Adam Butler
Philadelphia JavaScript Developers PhiladelphiaUSJS Developers 1998Beth Dickerson
Facebook Developers Circle - Indore IndoreINDevelopers 1993Mrinal Jain
DC Hack and Tell WashingtonUSHackers 1990Travis Hoppe
BA Node.js Meetup Buenos AiresARNoders 1988Node Buenos Aires
React - Rio de Janeiro Rio de JaneiroBRMembros 1985guilherme de azevedo martins
Serverless Turkey IstanbulTRMembers 1985Serverless User Group
require('lx') LisbonPTJavaScripter 1967João Pinto Jerónimo
Angular X Paris ParisFRnew generation Angularians 1959Bertrand Piselli
Boulder JS BoulderUSMembers 1949Estella Gonzalez Madison
Ahmedabad AngularJS AhmedabadINMembers 1948Dipesh Patel
Code's Cool Dallas AddisonUScodescoolers 1946Steven Gangstead
Downtown ReactJS Meetup AustinUSMembers 1936Roberto
London HalfStack LondonGBSoftware Engineers 1933Dylan Schiemann
Milano Frontend MilanoITFrontenders 1916Alessandro Muraro
Node.js Philly PhiladelphiaUSNodes 1895John Lelii
Utah Node.js - Salt Lake City Salt Lake CityUSNode Ninjas 1886Aaron Seth Madsen
Learn to Code | Thinkful Philadelphia PhiladelphiaUSMembers 1872Ivy Rueb
FullStack Cluj Cluj-NapocaROMembers 1869Paul Chirila
HH.js HamburgDEJavaScripters 1868Daniel Dembach
Meteor Egypt CairoEGMeteorites 1852Meteor Community Meetups
Bangkok Javascript BangkokTHHackers 1835Sira Sujjinanont
Node.js Jakarta JakartaIDnodejs farmers 1822Lukluk Luhuring Santoso
Sydney Progressive Web Apps | SydPWA SydneyAUMembers 1822Chris A James
Chennai JavaScript Meetup ChennaiINMembers 1816Abhishek Yadav
JSHeroes Meetups Cluj-NapocaROheroes 1806Paul BRIE
Austin Software Engineers & App Developers AustinUSSoftware Engineers/Developers 1804Chris Requena
Austin Coders & Hackers by The Tech^map AustinUSCoders & Hackers 1793Johan Borge
Angular Belgium BrusselsBEAngularian 1779Yassine Gayl
Node.js and IBM Cloud Meetup BangaloreINMembers 1776Param Rao
MunichJS – JavaScript User Group MünchenDEMembers 1757Béla Varga
ReactJS Oslo Meetup OsloNOReactors 1744Domenico Solazzo