Libor Pimek (born 3 August 1963 in Most, Czechoslovakia) is a former professional male tennis player.
Pimek's best Grand Slam singles result came at the 1987 US Open when he reached the 3rd round. He lost to Swede Mats Wilander in straight sets (2–6, 0–6, 1–6).
He won only one tournament during his career as he captured the Bavarian Open.
Pimek competed as a Czechoslovak early in his career, competing for the country a few times in Davis Cup in the middle 1980s, before representing Belgium internationally.
As a Davis Cup player for Belgium, he won 4 ties (Israël 1994, Denmark and France 1997, The Netherlands 1998)