Valentina Sergeyevna Ivanov (born 27 March 2001) is a New Zealand tennis player, although she has lived in Sydney since she was two years old. Ivanov's mother Oksana (née Yarikova) was a member of the Uzbekistan Fed Cup team in 1995 and 1997, being joined in the latter by her younger sister Irina. The Uzbekistan team captain that year was Oksana's future husband (and Valentina's father), Sergey Ivanov. Valentina was coached by both parents until she was 12. On the ITF Junior Circuit, Ivanov has a career-high combined ranking of 85, achieved on 2 April 2018.