Petia Arshinkova (Bulgarian: Петя Аршинкова; born 26 April 1998) is a Bulgarian tennis player. Arshinkova has a career high WTA singles ranking of 660, achieved on 5 October 2015. She also has a career high WTA doubles ranking of 664, achieved on 18 September 2017. Arshinkova has won 2 ITF doubles titles. Arshinkova made her Fed Cup debut for Bulgaria in 2018.