Andrejus Zadneprovskis (born August 31, 1974) is a retired Lithuanian modern pentathlete who won the silver medal at the 2004 Summer Olympics in Athens, Greece, as well as bronze medal at the 2008 Summer Olympics in Beijing. Zadneprovskis won the gold medal in the Modern Pentathlon World Championships in the year of 2000 and 2004. He also earned the bronze medal at the Modern Pentathlon World Championships 2006 in Guatemala. In 2010 he retired from sport due to health problems.
In 2009 he married modern pentathlete Laura Asadauskaitė, who won the gold medal at the 2012 Summer Olympics. They have daughter who was born in 2010. He also has a daughter with his ex-girlfriend.
In 2012 Zadneprovskis was elected to the UIPM executives. In 2014 Zadneprovskis became the president of the Lithuanian Padel Tennis Federation.