Tian Jia (simplified Chinese: 田佳, born February 9, 1981 in Tianjin) is a female Chinese beach volleyball player, who won the bronze medal in the women's team competition at the 2005 Beach Volleyball World Championships in Berlin, Germany, partnering Wang Fei. She represented her native country at the 2000 and the 2004 Summer Olympics in Athens, Greece.
Tian is competing at the 2008 Summer Olympics in the women's doubles partnered with Wang Jie.