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 13496Women Who Code
The SF JavaScript Meetup San FranciscoUSJS Hackers 13447Dave Nugent
Pune Developer's Community PuneINPDC 9349Suyog
Uber Engineering Events - San Francisco San FranciscoUSEngineering Enthusiasts 9151Uber Engineering
London JavaScript Community LondonGBJSLovers 8485luca mezzalira
Build with Code - New York City New YorkUSEngineers 8417Jenny Mith
Expert Talks Pune PuneINTech Enthusiasts 7933Ashish
Toronto JavaScript TorontoCAMembers 7679Paul Dowman
ReactJS San Francisco Bay Area meetup San FranciscoUSDevelopers 7282devon lindsey
JavaScript Israel Tel Aviv-YafoILJavaScripters 7090Shai Reznik
Founders and Coders LondonGBcollaborators 6850Dan Sofer
Ironhack Madrid MadridESIronhackers 6613Ignacio Sanchez Jurado (Nacho)
NY JavaScript New YorkUSJavaScripters 6603Jovena Whatmoor
NYC Nodejs New YorkUSNodesters 6234Peter Bell
Women Who Code Silicon Valley SunnyvaleUSCoders 5980Women Who Code
Hack Reactor: Learn to Code San FranciscoUSEngineers 5900Tyler Lambe
JavaScript Meetup BangaloreINJS Hackers 5691Ganesh Samarthyam
Paris.js ParisFRJavaScripteurs 5386Pierrick Paul
GDG Lagos LagosNGMembers 5268Femi TAIWO
Node.js Paris ParisFRNodeurs 5226Etienne Folio
San Diego JavaScript Community San DiegoUSJavaScripters 5061Todd Bashor
Devhub Toronto TorontoCADevelopers 5006Emma Cuddy
BostonJS BostonUSJavaScripters 4933Jory Burson
SingaporeJS SingaporeSGdevelopers 4805Tim Oxley
MedellínJS MedellínCOJavaScripters 4783Julián Duque
JavaScript São Paulo São PauloBRJavascript developers 4773Igor Luiz Halfeld
WarsawJS WarsawPLMembers 4723Piotr Zientara
Coderplex Community HyderabadINCoders 4644Kapil Dutta
Real World React San FranciscoUSDevelopers 4558Benjamin Dunphy
Modern Web Mountain ViewUSMembers 4419Tracy
SFNode San FranciscoUSNode Users 4332Dan Shaw
js-montreal - montreal's javascript user group MontréalCAJavascripters 4313Bruno Carriere
Node Sydney SydneyAUnoders 4290James Richardson
Women Who Code Berlin BerlinDEMembers 4289Women Who Code
Eventloop México CityMXDesarrolladores 4078Jeduan Cornejo
Node.js Club SF San FranciscoUSMembers 4045Matt Pardee
IBM Code London LondonGBCoders 4009Mo Haghighi
sthlm.js StockholmSEJavaScripters 3953Jonny Strömberg
JSLovers DelhiINJSLovers 3860Neha Sharma
AngularSP São PauloBRsuperheroes 3859William Grasel
Coders in Rio Rio de JaneiroBRCoders 3785Rafael Cruz
Jakarta Javascript User Group JakartaIDJavaScript Ninja 3732Hengki Sihombing
Node.js Madrid MadridESasíncronos 3714Alex Fernández
React en Buenos Aires Buenos AiresARreactors 3713sebasjm
Javascript Hyderabad HyderabadINjS'ers 3712Harish
BarcelonaJS BarcelonaESJavaScripters 3693Tudor
NodeBR - São Paulo São PauloBRnoders 3665Erick Wendel
JavaScript MN MinneapolisUSJavaScripters 3661Randall Meeker
Meetup.js Buenos AiresARJavascripters 3639Alejandro Oviedo
Angular Paris ParisFRAngularians 3573Patrick Aljord
React Chicago ChicagoUSMembers 3559Bill Gloff
UtahJS Salt Lake CityUSJavaScriptafarians 3524Ken Snyder
KrakowJS KrakówPLJS pros 3522Krzysztof Kula
js.la - The Los Angeles JavaScript meetup Santa MonicaUSJavaScriptianados 3516David Guttman
JSLovers-Bengaluru BangaloreINJSLovers 3514Neha
Node.js Israel Tel Aviv-YafoILNoders 3496Lior Kesos
Seattle React.js SeattleUSMembers 3489Justin Soliz
Code Oregon PortlandUSStudents 3461Jenny W
Manila JavaScript ManilaPHJS Developers 3404Thomas Laughlin
Women Who Code Portland PortlandUSCoders 3381Women Who Code
Chicago Node.js ChicagoUSMembers 3378Mike Hostetler
East Bay JavaScript Meetup Group OaklandUSJS Hackers 3223Dan McAulay
DhakaJS DhakaBDMembers 3202Md. Azharul Islam
Node.js Denver/Boulder/Ft. Collins DenverUSMembers 3195Brooks Patton
Seattle Node.js SeattleUSNode-jsers 3186Ryan Roemer
Portland ReactJS PortlandUSreactivists 3117Jason Brown
AngularMadrid MadridESAngulares 3101Juanfran
Women Who Code Dallas/Ft. Worth DallasUSCoders 3078Women Who Code
NodersJS SantiagoCLJavascript@s 3077Ender Bonnet
IT Development Café AmsterdamNLDevelopment Heroes 3057Luca Prak
London Node.js User Group LondonGBMembers 3056Adam Davis
Node.js Dilli DelhiINHackers 3051Anup Bishnoi
JSTANBUL: İstanbul JavaScript User Group IstanbulTRNinjas 3037Fatih Kadir Akın
Geek97 DelhiINGeeks 3021Dhananjay Kumar
hackcolab BarcelonaESMembers 2971David Pich
HTML5 + JS Ciudad de México México CityMXMXL5 2969Alejandro
JavaScriptLA Meetup Los AngelesUSJavaScript Ninjas 2966VJ
Frontend Developer Meetup Amsterdam AmsterdamNLFrontend Developers 2958Frontend Love
Austin Node.js AustinUSnoders 2937Mike McNeil
Jakarta Learns Programming JakartaIDLearners 2934Sigit Prayoga
Ironhack Paris ParisFRIronhackers 2925Karim Fadlallah
Node.js Meetup Berlin BerlinDEJavaScripters 2916Andreas Lubbe
AmsterdamJS AmsterdamNLJavaScripters 2903Robert Haritonov
JavaScript KC Kansas CityUSDevelopers 2901Josh Durham
Polyglot Languages & Runtimes (Java, JVM, nodejs, Swift...) BangaloreINMembers 2877Rajeev Palanki
SoCal Node.js Los AngelesUSNoders 2840David Aktary
Atlanta Nodejs Developers AtlantaUSNode.lers 2820Ryan Connelly
NashJS NashvilleUSmembers 2819Will
FranceJS ParisFRjavascripters 2795Julien Bouquillon [revolunet]
node.dc WashingtonUSNode programmers 2791Andrew Dunkman
Hack Reactor NYC New YorkUSFuture coders 2787Tyler Lambe
vienna.js Vienna JavaScript User Group ViennaATJavaScripters 2778Roland Schütz
Serverless San FranciscoUSMembers 2750Serverless User Group
Web Developers Community Ra'ananaILMembers 2731Ori Calvo
Phoenix JavaScript PhoenixUSJavaScript Enthusiasts 2727Sal Aiello
Free Code Camp Portland PortlandUSCampers 2723Brigette Eckert
life michael tel aviv Tel Aviv-YafoILMembers 2661Haim Michael
The Digital Pond LondonGBDigital Ponderers 2654Siji Onabanjo
JavaScript Ankara AnkaraTRJavaScript Tutkunları 2654Ustun Ozgur
JS Roundabout LondonGBJS Enthusiasts 2651Phill Bateman
AngularTO TorontoCAMembers 2650Nick Van Weerdenburg
Triangle JavaScript DurhamUSMembers 2643Kyle Buchanan
React Amsterdam AmsterdamNLMembers 2622Robert Haritonov
Serverless London LondonGBMembers 2614Serverless User Group
freeCodeCamp - Houston HoustonUSCampers 2592Jason Ephraim
ng-sydney SydneyAUAngular Developers 2550Meligy
GreeceJS AthensGRJavaScript devs 2550Elias Niaos
Hyderabad Javascript Group HyderabadIN_javascripters 2544Ran.ga.na.than
Guadalajara JS GuadalajaraMXJavascripters 2536Orlando Del Aguila Febres
Women Who Code Bangalore BangaloreINCoders 2514Women Who Code
SeattleJS Hackers SeattleUSHackers 2489Sam Eubank
Boston Node BostonUSMembers 2484Brian Sodano
Ottawa JavaScript OttawaCAMembers 2479Owain
EgyptJS CairoEGMembers 2475Mohamed Shaban
Dev Dialogue New YorkUSDevelopers 2450Matthew Jording
LyonJS LyonFRJS lovers 2441Paul Mougel
South Bay JavaScript Meetup Mountain ViewUSjavascraps 2433Jackie Ho
DigitalCrafts | Learn to Code in Atlanta AtlantaUSBuilders 2430Max M.
ReactJS and Friends PuneINMembers 2402Vipul A M
Modern Web (Triangle) RaleighUSMembers 2355Tracy
Skyway Software Symposium MinneapolisUStech folk 2353Kevin Behrens
Client Side Technologies BangaloreINTechies 2335Gautham Pai
MakerSpace Charlotte CharlotteUSMakers 2320Benjamin Gatti
DenverScript DenverUSScriptonites 2319Matt Webb
Dublin - Coder Forge DublinIECoders 2319Enda
Node Melbourne MelbourneAUNodes 2315Andrey Sidorov
CopenhagenJS CopenhagenDKpeople 2310Kevin Simper
Learn To Code Phoenix PhoenixUSMembers 2304Galvanize
NodeUA KyivUAsoftware engineers 2277Timur Shemsedinov
BayNode - The Bay Area Node.js Meetup Mountain ViewUSCallbacks 2274DMYTRO
Learn to Code New York New YorkUSCoders 2273Galvanize
Dublin Node.js Meetup DublinIENoders 2270Sean Walsh
React Vancouver Meetup VancouverCAMembers 2268Eric Kim
React Delhi NCR DelhiINMembers 2262Anoop Gupta
London Javascript LondonGBDevs 2259christoffer noring
BandungJS BandungIDMembers 2250Zufrizal Yordan
Uncoded | Long Beach Tech Meetups & Events Long BeachUSMembers 2248Mike Stewart
Vuejs Paris ParisFRVuers 2247Eduardo
Mentorship Saturdays PortlandUSMembers 2246Bradley Kouchi
JavaScript Lab Paris ParisFRJS Hackers 2243Community Hackages
Modern Web UI Palo AltoUSMembers 2238Tracy
Lima NodeJS Meetup LimaPENodistas 2236Rein Petersen
Front End Orlando CodePen OrlandoUSFront End Orlando CodePenners 2236David K
PDXnode PortlandUSNodesters 2229Ben Michel
BudapestJS BudapestHUJavaScript Ninjas 2221Norbert Sram
Cambridge Developer Entrepreneur Networking Full Stack CambridgeUSMembers 2221Aaron K
Angular Nigeria (ng)² LagosNGMembers 2219Kelechi Oti
Azure Dublin Meetup DublinIEAzurees 2194Bryan Conneely
Azure Israel Tel Aviv-YafoILMembers 2175Israeli Azure
Codeworks - Barcelona BarcelonaESCoders 2131Eloi Alcaide
Node.JS Boston BostonUSMembers 2111Freedom Dumlao
Docker - Kubernetes - Openshift Hyderabad HyderabadINMembers 2109Chakradhar Rao Jonagam
React Medellín MedellínCOMiembros 2091Alejandro Nanez
opensanca São CarlosBRMembros 2059Lucas Marques
Colombo JS Meetup ColomboLKdevelopers 2052Pasindu De Silva
T.O.J. - Tales Of JavaScript San FranciscoUSMembers 2051Ann Burkett
The JavaScript Austin Meetup Group AustinUSJavaScripters 2046Johnathan Hebert
Uszanowanko Programowanko GliwicePLDoges 2044Marcin Mazurek
BucharestJS BucharestROJS Hackers 2031Ciprian Borodescu
Fullstack Developers New YorkUS{{developers}} 2026Alexander David
I Teach You Programming, So You Teach Me English! TokyoJPMembers 2008Hiroaki Yasutomo
JS Belgrade Meetup BelgradeRSMembers 2003Slobodan Stojanovic
Portland JavaScript Admirers PortlandUSAdmirers 2000Benjamin Herson
Serverless Turkey IstanbulTRMembers 1976Serverless User Group
MilwaukeeJS MilwaukeeUSJavaScripters 1973Roman Reynebeau
DC Hack and Tell WashingtonUSHackers 1962Travis Hoppe
Philadelphia JavaScript Developers PhiladelphiaUSJS Developers 1961Beth Dickerson
Mumbai JavaScript Meetup MumbaiINJavascriptors 1960Bilal Budhani
Angular X Paris ParisFRnew generation Angularians 1956Bertrand Piselli
Bristol JS BristolGBMembers 1941Andrew McGregor
Bay Area JavaScript Interview Prep Meetup SunnyvaleUSProblem Solver 1933Jack Wong
London HalfStack LondonGBSoftware Engineers 1933Dylan Schiemann
Boulder JS BoulderUSMembers 1925Estella Gonzalez Madison
Ahmedabad AngularJS AhmedabadINMembers 1922Dipesh Patel
GolangNYC New YorkUSGophers 1919Gray Herter
React - Rio de Janeiro Rio de JaneiroBRMembros 1918guilherme de azevedo martins
Code's Cool Dallas AddisonUScodescoolers 1909Steven Gangstead
require('lx') - The JavaScript meetup in Lisbon LisbonPTJavaScripter 1904João Pinto Jerónimo
BA Node.js Meetup Buenos AiresARNoders 1882Node Buenos Aires
Milano Frontend MilanoITFrontenders 1874Alessandro Muraro
Utah Node.js - Salt Lake City Salt Lake CityUSNode Ninjas 1844Aaron Seth Madsen
Node.js Philly PhiladelphiaUSNodes 1836John Lelii
HH.js HamburgDEJavaScripters 1829Daniel Dembach
Meteor Egypt CairoEGMeteorites 1812Meteor Community Meetups
FullStack Cluj Cluj-NapocaROMembers 1807Paul Chirila
Node.js Jakarta JakartaIDnodejs farmers 1804Lukluk Luhuring Santoso
Austin Coders & Hackers by The Tech^map AustinUSCoders & Hackers 1793Johan Borge
Node.js and IBM Cloud Meetup BangaloreINMembers 1779Param Rao
Chennai JavaScript Meetup ChennaiINMembers 1779Abhishek Yadav
Angular Belgium BrusselsBEAngularian 1770Yassine Gayl
Facebook Developers Circle - Indore IndoreINDeveloper 1768Mrinal Jain
Downtown ReactJS Meetup AustinUSMembers 1765Roberto
Sydney Progressive Web Apps | SydPWA SydneyAUMembers 1758Chris A James
JSHeroes Meetups Cluj-NapocaROheroes 1754Paul BRIE
MunichJS – JavaScript User Group MünchenDEMembers 1753Béla Varga
All Things Web Tech ChicagoUSTech Leaders 1749brian rodriguez
Austin Software Engineers & App Developers AustinUSSoftware Engineers/Developers 1737Chris Requena
Beer.js Buenos Aires Buenos AiresARJavaScripters 1737Nicolás Gabriel Bevacqua
Hong Kong JavaScript and Node.js Hong KongHKDevelopers 1727Kevin Bluer
New York JavaScript Study Group New YorkUSJavascript Users 1719Robert LaMarca