Tardu or Tardush Yabghu (c. 575–603) was the second yabgu and the first khagan of the Western Turkic Khaganate. He was the son of Istämi.
The regnal name in Turkic was Tarduš (Old Turkic: ),Medieval Greek: Ταρδου, 達頭可汗/达头可汗, Pinyin: dátóu kěhàn, Wade-Giles: ta-t'ou k'o-han, personal name: 阿史那玷厥, āshǐnà diànjué, a-shih-na tien-chüeh). According to Lev Gumilev his personal name was Kara-Churin-Turk (Кара Чурин Тюрк).