James Diodati is a Canadian politician who has been serving as the 23rd and current mayor of Niagara Falls since December 2010.

Prior to his election to the mayoralty, Diodati served on the Niagara Falls City Council for two terms, a total of seven years.

He is currently serving his third term on the Niagara Regional Council.

He operates a web-based health and wellness direct marketing business.

[2] Diodati has an extensive volunteer history, including serving on Niagara Catholic District School Board (NCDSB) Accommodation Review Committee and its Vision 20/20 Advisory Committee.