Kieran Tuntivate (Thai: คีริน ตันติเวทย์) is a Thai-American distance runner, who specializes in the 10,000 metres.

After running collegiately with Harvard University, Tuntivate turned professional with the Bowerman Track Club.

Tuntivate's first major international result was at the 2018 Asian Games, where he finished fourth in the 10,000 metres in 30:29.04.

Tuntivate qualified for the 2020 Summer Olympics in Tokyo with his time of 27:17.14.

In addition, he is the first Thai (mixed American) ever who entered 10,000 metres and finished rank 23 in 29.01.92.