Zarina Diyas (Kazakh: Zari'na Di'as; born 18 October 1993) is a Kazakh tennis player.
Diyas has won one WTA title at 2017 Japan Women's Open. On 12 January 2015, she reached her best singles ranking of world No. 31. On 8 June 2015, she peaked at No. 89 in the doubles rankings.
Playing for Kazakhstan at the Fed Cup, Diyas has a win-loss record of 10–2 (October 2017).