Isaya Klein Ikkink (pronounced [iˈsaːjaː klɛin ˈɪkɪŋk]; born 13 May 2003) is a Dutch track and field athlete who competes in sprinting.

[citation needed] On 5 March, Klein Ikkink won a bronze medal at the 2023 European Indoor Championships in the 4 × 400 metres relay.

[2] On 19 August, he competed in the mixed 4 × 400 m relay at the 2023 World Championships in Budapest, Hungary, but the team did not finish.

[1] On 3 March, he won a bronze medal at the 2024 World Indoor Championships in the men's 4 × 400 m relay in Glasgow, United Kingdom.

[4] He won a gold medal at the 2024 Summer Olympics in the mixed 4 x 400 metres relay.