2016

Europe

May 25: The Blockchain Summit: An exclusive event on Richard Branson's Necker Island.

North America

April 16-18: The Business Blockchain: A 3-day conference in Toronto. 
May 2-4: 
Consensus: A 3-day conference in New York on decentralized business. 
July: 
D10E: Everything decentral - check it out. Coming to San Francisco in July, 2016. 
August: Second Annual Blockchain Conference

Overall

The CoinDesk event list: More inclusive than this one; many developer events.

2017

Africa

March 1-3: Blockchain/Bitcoin Africa: Johannesburg

Asia

March 16: Blockchain Finance & FinTech China 2017: Shanghai, China

April 25-26: BlockOn 2017: Reengineering Finance: Singapore

Europe

March 21: Blockchain: Debt Capital Markets: London, England

April 17: Oslo Blockchain Day: Oslo, Norway

April 19: Blockchain & Bitcoin Conference Russia: Moscow, Russia

May 19: Blockchain & Bitcoin Conference Prague: Prague, Czech Republic

June 26-28: Money 20/20 Europe: Copenhagen, Denmark

July 7-14London Fintech Week: London, England

September 21Blockchain & Bitcoin Conference Kiev: Kiev, Ukraine

North America

March 20-21: The Healthcare Blockchain Summit: Washington, DC

April 26: Mobile Commerce and the Internet of Commerce Things: Redwood City, California

May 16-18: Blockchain 360: Santa Clara, California

May 22-24: Consensus 2017: New York City

May 25 (9 nights)CoinsBank Blockchain Cruise 2017: Departs from New York City for Bermuda and the Caribbean

September 12Retail in the Age of Artificial Intelligence and Commerce Bots: Chicago, Illinois

Overall

The CoinDesk event list: Blockchain Events and Conferences