Jaroslav Pospíšil (Czech pronunciation: [ˈjaroslaf ˈpospiːʃɪl]; born 9 February 1981) is a Czech tennis coach and a former professional player who competed on the ITF Futures and ATP Challenger tours.

To date, Pospíšil has reached 53 singles finals on the ATP Challenger and ITF Futures tours, from which he has won 28 titles.

Predominantly playing on the Challenger and Futures tours, Pospisil has made 7 main draw appearances on the ATP Tour, including the 2011 Wimbledon Championships as his only Grand Slam appearance.

[1] His sole ATP win came at the ATP 250 level on the hard courts of the 2013 Erste Bank Open in Vienna, Austria, where despite losing in qualifying, he was granted entry to the tournament proper as a lucky loser and defeated France's Gaël Monfils in the first round, 7–6, 7–5.

In a coaching role, he hit with Caroline Wozniacki during the 2015 Wimbledon Championships and helped her prepare for her next opponents.