Ruslan Ternovoi (born 10 April 2001)[1] is a Russian diver.

He won the bronze medal in both the boys' 3m springboard and boys' 10m platform events at the 2018 Summer Youth Olympics held in Buenos Aires, Argentina.

[2][3] He also won the bronze medal in the mixed team event alongside Sofiya Lyskun of Ukraine.

[3] In 2019, he won the bronze medal in the men's 10 metre platform event at the European Diving Championships held in Kyiv, Ukraine.

[1] Ternovoi and Uliana Kliueva finished in 5th place in the mixed 3 m springboard synchro event.