Marek Michalička (born 23 December 1986) is a professional Czech tennis player.

Michalička has won 10 singles and 11 doubles titles at ITF Futures Tour.

He made his grand slam qualification debut at the 2012 US Open, losing to Roberto Bautista-Agut 3–6, 4–6.

He made his ATP World Tour debut at 2016 BNP Paribas Open in doubles competition partnering with Ivo Minář losing in the first round to Nenad Zimonjić and Edouard Roger-Vasselin 3–6, 7–6(8–6), [15–17] after failing to convert 4 match points.

he runs the Process Tennis Academy in Bloomfield Hills, Michigan.