Tomáš Cibulec (born 15 January 1978) is a retired Czech tennis player who turned professional in 1996.

Cibulec reached his highest singles ranking on 3 August 1998, becoming world number 646.

A winner of three ATP doubles titles, Cibulec resides in Havířov, the city of his birth.

[1] Cibulec has successfully partnered with compatriots Ota Fukárek, Leoš Friedl, Petr Pála, Pavel Vízner and Croatian Lovro Zovko.

In 2007, Cibulec and Zovko made the final of the Kremlin Cup in Moscow, but the pairing lost to at-home Russians Dmitry Tursunov and former singles number one, Marat Safin, 6–2, 6–4 in the final.