Jan Rajnoch (born 30 September 1981) is a Czech former professional footballer who played as a centre-back or defensive midfielder.

FC Slovácko he joined Czech Gambrinus liga outfit FK Mladá Boleslav in September 2006.

Here he quickly established himself as a key player and became an integral part of the team, playing an important role in their UEFA Cup campaign wins against Olympique de Marseille[2] and Palermo.

On 7 January 2009, Rajnoch made a loan move to German side FC Energie Cottbus[3] where he played out the rest of the season making 10 appearances in the Bundesliga.

He made his international debut on 20 August 2008 in a friendly against England at Wembley Stadium where he came on as a substitute for Radoslav Kováč in the 76th minute.