Calvin Hemery (born 28 January 1995) is a French tennis player of Nigerian descent.

[2] Hemery reached the main draw in Båstad as a qualifier where he recorded his first ATP Tour win, beating fellow countryman Tristan Lamasine in the first round, before losing to top seed David Ferrer in the second round.

In July, he won his first Challenger title in Tampere, Finland, beating Pedro Sousa in the final.

In March, Hemery made his debut on the ATP Tour Masters 1000 circuit at the Miami Open as a qualifier, losing to Thanasi Kokkinakis in the first round.

In May, Hemery was awarded a wildcard to the 2018 French Open,[3] losing to Diego Schwartzman in the first round.