Tolgahan Acar (born 4 June 1986 in Adana, Turkey) is a Turkish professional footballer. He plays as a goalkeeper for Denizlispor. He has been capped at youth level for the U-18, U-19 and U-20 Turkey squads.
Acar was born in Adana. He attended and played football for the Çukurova Üniversitesi team. He moved to Adanaspor in 2002. In his first stint at the club, Acar was capped twice, spending the brunt of his time with the youth team. Gaziantepspor transferred him in 2004, but he did not feature for the club regularly.
Instead, Acar spent most of his time at the club either with the youth team or on loan at Adanaspor. Adanaspor transferred him at the beginning of the 2009 season. Acar is now the starting goalkeeper for the Toros Kaplanları, playing in 32 matches in the 2009-10 season.