Aaron Kemei Cheminingwa (born 21 June 1998) is a Kenyan middle distance runner.

[1] In the 2020s, he began to be coached by Alex Sang, whose other athletes include Kenyan 800 metres world champion Mary Moraa.

[2] He ran a 800 metres personal best time of 1:44.24 at the National Stadium, Nairobi on 6 March 2024.

Cheminingwa then won gold in the 800 metres at the 2023 African Games in Accra, Ghana on 20 March 2024.

[8] He lowered his personal best again at the 2024 Meeting de Paris in July 2024, running 1:42.08.