Kajsa Rinaldo Persson (born 11 November 1997) is a Swedish tennis player.

Rinaldo Persson has a career-high singles ranking of 288 by the Women's Tennis Association (WTA), achieved on 28 October 2024, and a career-high WTA doubles ranking of 532, reached on 21 August 2023.

She has won five titles in singles and four in doubles on the ITF Circuit.

Rinaldo Persson has represented Sweden in the Fed Cup, where she has a win–loss record of 10–10, as of April 2024.