Alphonce Felix Simbu (born 14 February 1992) is a Tanzanian long distance runner who specialises in the marathon.

[1] He competed in the marathon event at the 2015 World Championships in Athletics in Beijing, China.

[5] The same year he won the bronze medal at the 2017 World Athletics Championships Marathon with a time of 2:09:51.

In 2019, he competed in the men's marathon at the 2019 World Athletics Championships held in Doha, Qatar.

[6] In June 2021, he qualified to represent Tanzania at the 2020 Summer Olympics where he secured 7th place with a time of 2:11:35.