Kenneth Scott Hannan (born January 23, 1979) is a Canadian former professional ice hockey player.

[1] Hannan was selected in the first round of the 1997 NHL Entry Draft, 23rd overall, by the San Jose Sharks from the Kelowna Rockets of the Western Hockey League (WHL).

[citation needed] He made his professional debut at the start of the 1998–99 season with the Sharks, playing in five games before returning to the Rockets for his last year of junior eligibility.

[7] On April 3, 2013, Hannan returned to the San Jose Sharks via trade in exchange for a conditional seventh round draft pick in 2013.

[8] Hannan became an unrestricted free agent after the season's end, and on July 5, 2013, but eventually he re-signed with the Sharks on a one-year contract.