Etel Röhr is the first Finnish dancer to go to Eurovision twice.
She first went to Eurovision in 2019 to dance with Darude and Sebastian Rejman for their song "Look Away." She then joined Käärijä in 2023 for his song "Cha Cha Cha."
[Sources]
Käärijä - Cha Cha Cha (Live) // UMK23, YouTube.com.
Finland - LIVE - Darude feat. Sebastian Rejman - Look Away - First Semi-Final - Eurovision 2019, YouTube.com.