Javier Martí Hernanz (Spanish pronunciation: [xaˈβjeɾ maɾˈti eɾˈnanθ]; born 11 January 1992) is a coach and a former professional tennis player from Spain.

Javier qualified for the 2011 French Open by defeating Andrej Martin, Jaroslav Pospíšil, and Ryan Harrison.

He has captured one ATP Challenger Tour doubles title at the 2012 Marbella Open.

He was the coach of Spanish tennis player Paula Badosa.

This biographical article relating to Spanish tennis is a stub.