iOS Conferences in 2017: https://medium.com/swift-column/ios-conferences-in-2017-swiftlang-iosdev-3ef75688c588#.4e448ipsy. Moved it onto https://github.com/jpmartha/iOS-Conferences.

iOSConferences2017.md

Dates	Conferences	Venues	CfPs
January 27	dotSwift	Paris, France	Closed
February 7-8	Mac Admin & Developer Conference UK	London, UK
February 23-24	Playgrounds	Melbourne, Australia	Closed
March 2	Forward Swift	San Francisco, CA
March 2-4	try! Swift Tokyo 2017	Tokyo, Japan	Closed
March 16-17	Appdevcon 2017	Amsterdam	Closed
March 20-23	Yosemite, by CocoaConf	Yosemite National Park, CA, USA
March 30-31	iOSCon 2017	London	Closed
March 30-April 1	RWDevCon 2017	Alexandria, VA, USA
April 15	Functional Swift Conference 2017	Brooklyn	Call for proposals
April 21–22	CocoaConf Chicago 2017	Chicago, IL, USA
April 24-25	App Builders Switzerland	Lausanne	Closed
April 25-28	Craft Conference	Budapest
May 8-9	MCE	Warsaw
May 14-17	UIKonf	Berlin	Closed
May 20-21	DEVit 2017	Thessaloniki, Greece	Closed
June 1-2	SwiftAveiro 2017	Aveiro, Portugal
June 5-9	WWDC17	San Jose, CA, USA
June 22-23	App Design & Development Conference	Barcelona	Submit utill 15.3.2017
August 13-16	[360	iDev](http://360idev.com)	Denver CO, USA
September 4-7	iOSDevUk	Aberystwyth, Wales	Closed
September 6-7	SwiftConf	Cologne, Germany	https://swiftconf.com/speaker/you/
September 15-17	iOSDC Japan 2017	Tokyo, Japan
September 22-23	FrenchKit	Paris, France	TBA
September	try! Swift New York	New York City, USA
November	try! Swift Bangalore	Bangalore, India

Hey there, I've created a website that references all upcoming iOS conferences: https://confs.tech
Let me know if there's any other upcoming conferences I am missing.