Aikaterini "Katerina" Stikoudi (Greek: Αικατερίνη "Κατερίνα" Στικούδη; born 16 April 1985) is a Greek singer, actress, TV host, model, businesswoman, former champion swimmer and beauty pageant titleholder. After first gaining fame in 2001 by finishing fifth in the national swimming championship as PAOK swimming athlete she pursued a career in modeling, television, cinema and theatre. In 2005 she won the title of Miss Hellas 2005, on National Annual Beauty Pageant of Greece, followed by her participation on Miss World 2005 representing Greece.

On the following year, Stikoudi followed a career as a hostess and actress hosting the talk shows La Sousourela (2005), Proinos Kafes (2006), Mega Star from 2008 to 2011, Guinness World Record Show (2009), My Style Rocks (2020) and Just the 2 Of Us (2021). She also appeared in television series as Erotas (2005), Daddy's Girls (2007), If I were rich (2019) and movies as Soula Ela Xana (2009), The treasure (2017), We did it all together! (2018), The Black Bachelor 4 (2021).

In 2009, Stikoudi cooperated with dj-LAVA, as a singer, in his single Tora. After then she started her solo career as a pop and rap singer. In 2011 she released her first music album I Mousiki mou (My Music). The next ten years she released four more albums I yefsi tis zois mou (2013), Cliche (2015), Soundtrack (2018) and Grande (2021).