Tania Palaiologou is a Greek actress known for her performances in new Greek cinema. She gained international recognition particularly for her role in Yorgos Lanthimos's film "Kynodontas" (Dogtooth) (2009). In the film, she portrays the youngest daughter, an enigmatic and disturbing character, raised in an isolated and dystopian family environment.

This performance made her a symbolic face of the "Greek Weird Wave." She has also collaborated with other prominent directors of this movement, such as Athina Rachel Tsangari, starring in "Attenberg" (2010). Her acting style is often characterized by a composed, almost impassive presence, conveying intense emotions and psychological complexities with subtle nuances. Her roles tend to explore vulnerable or alienated characters, often in extreme social or family contexts.