Daniel Kokosinski (born July 25, 1985 in Plonsk, Poland) is a Polish football defender, who played for Wisla Plock and Znicz Pruszków in the I liga.
In June 2009 'Kokos' moved to Polonia Warsaw in the Polish Ekstraklasa, for a fee of 102.350 £.
In his first official match for Polonia, a Europa league preliminary, he scored after only two minutes the only goal against Juvenus/Dogana from San Marino.
His debut in the Ekstraklasa was less successful; Polonia was defeated 4–0 by Korona Kielce.