Yoshitomo Tani (谷 佳知, born February 9, 1973) is a Japanese professional baseball player from Higashiōsaka, Osaka, Japan. He currently plays as an outfielder for the Yomiuri Giants.
Tani is married to Ryoko Tani, a famous judoka who has won won two gold medals, two silver medals and the bronze in Judo at the Summer Olympics.
He was selected for the Japanese baseball team at the 2004 Summer Olympics, and won a bronze medal. He also won a silver medal at the 1996 Summer Olympics before entering the Japanese professional leagues.