Oliver Ojakäär (born 10 February 2005) is an Estonian tennis player.

Ojakäär has a career high ATP singles ranking of 869 achieved on 18 March 2024.

[2] Ojakäär won the 2023 US Open – Boys' doubles title with Max Dahlin.

From Tartu, where he plays for Club MK Tennis, Ojakäär won his first junior ITF tournament in 2021 in Jūrmala, Latvia.

[3] He made his junior grand slam debut at the 2023 Australian Open.