Grigoriy Lomakin (born 18 March 1998) is a Kazakhstani tennis player.

Lomakin has a career high ATP singles ranking of No.

He also has a career high ATP doubles ranking of No.

Lomakin made his ATP main draw debut at the 2022 Astana Open in the doubles draw partnering Denis Yevseyev.

This biographical article relating to Kazakhstani tennis is a stub.