Liam Cacatian Thomassen
- Born
- 10 September 1997 (29 years)
- Place of birth
- Essunga, Skaraborgs län, Sweden
- Gender
- Male
Per Liam Pablito Cacatian Thomassen (born 10 September 1997), also known as Liamoo, is a Swedish singer. In 2016, he won the twelfth season of Swedish Idol series and released his winner's single "Playing with Fire".
