Ondřej Štyler (born 1 June 2000) is a Czech tennis player.

He reached a career-high ITF junior combined ranking of No.

He has reached two ITF Futures doubles finals, winning one in Most, Czech Republic with Tadeas Paroulek in June 2019.

Styler was also the runner-up in the NCAA Division I men's singles tournament, representing the University of Michigan.

This biographical article relating to Czech tennis is a stub.