Valeriya Mammadova (née Korotenko, Azerbaijani: Valeriya Məmmədova; born 29 January 1984) is a retired Azerbaijani volleyball player who played as a Libero. She was a member of Azerbaijan women's national volleyball team and was selected as the Best Libero of European Volleyball Championship in 2005 and 2017.

Born in Baku, Valeriya first played volleyball at age nine and joined the school volleyball team.

She played 180 times for the Azerbaijan women's national volleyball team and was awarded the best libero of 2005 Women's European Volleyball Championship.

Mammadova was a member of Azerrail Baku and Volero Zurich before joining Fenerbahçe Women's Volleyball team. She won the bronze medal at the 2008–09 CEV Cup playing with Fenerbahçe Acıbadem and was awarded "Best Receiver".

She is married to Azerbaijani judoka Nijat Mammadov.^[1]

Mammadova played with Azerrail Baku winning the 2015–16 Azerbaijan Super League championship^[2] and she became Best Libero.^[3]