Kai Chang (born January 29, 2000) is a Jamaican discus thrower.

He won the IAAF 2018 World U20 championships and has stamped his class at numerous international events in his career.

[1] Chang won the Jamaica Athletics Administrative Association (JAAA) Junior Championships[2] and then on July 15, 2018, with a personal best of 62.36m Chang won the gold medal for the discus at the 2018 IAAF World U20 Championships to become World Junior Champion.

[3] In April 2021, Chang threw over 60m for the first time as a senior, and then improved to a personal best of 62.60 at the Jamaican National Stadium in Kingston.

[4] He later threw an improved personal best of 63.33 in June 2021, at the NACAC New Life Invitational in Florida.