Jouki Aino Terhikki Tikkanen (born 5 July 1995) is a Finnish individual rhythmic gymnast.

She is coached by Titta Heikkilä and became a member of the Finnish national gymnastics team in 2010.

She represented Finland in the Junior European Championships, helping the team with ball routine, in which she finished 14th.

She won silver in all-around at the Finnish national championships and was the champion in three apparatus final (hoop, ball, clubs).

She competed at the 2014 World Championships in Izmir, Turkey where she qualified for the all-around finals finishing in 17th position ahead of Ukrainian gymnast Viktoria Mazur.

Tikkanen competed at the 2015 World Championships in Stuttgart finishing 35th in the All-around qualifications and did not advance into the Top 24 finals.

[1] Tikkanen competed in 2015 European Championships in Minsk, Belarus and finished 21st in all-around and 6th in team final with teammate Ekaterina Volkova.

On August 11–13, Tikkanen then competed at the 2017 Kazan World Challenge Cup finishing 20th in the all-around.

[5] Tikkanen started the season competing at the 2018 Moscow Grand Prix finishing 18th in the all-around and qualified into two finals (ball and ribbon).