Tuomas Rannankari (born 21 May 1991) is a Finnish former professional footballer who last played for Veikkausliiga club Ilves.

On 22 June 2009, he was signed by FC Twente along with KuPS teammate Petteri Pennanen.

[4] In July 2012 he signed a contract for SpVgg Greuther Fürth U23 team which plays in Regionalliga (Fourth level).

Rannankari played 31 matches and scored one goal but did not earn a place in Fürth's first team.

[5] After five seasons with KuPS in the Veikkausliiga, Rannankari signed a two-year contract with Ilves in November, 2017.