Alexandros Logothetis (Greek: Αλέξανδρος Λογοθέτης) (born 1970) is a Greek stage, film and television actor known for his roles in the Greek television series To Nisi (The Island), and the British TV mini-series Magpie Murders and Moonflower Murders.

Alexandros Logothetis was born in Athens, Greece, in 1970. His father was the actor Ilias Logothetis (1939 – 2024), and his mother is a writer, Efthychia Kalliteraki. He was brought up by his mother, after his parents divorced when he was three years old. Logothetis studied at the National Theatre of Greece Drama School, graduating in 1991. He later studied at the Arts Educational Schools, London, where he graduated with an MA in acting in 1998.

Logothetis has had major roles in Greek television shows including the 2010 series To Nisi (Greek: Το Νησί; English: The Island), which was based on the novel The Island by Victoria Hislop. In 2003, Logothetis was awarded Best Supporting Actor at the Greek State Film Awards for his role in the 2003 film Gamilia narki. Logothetis also features in the 2007 - 2008 television series The 10. Logothetis has starred in many Greek films, most recently The Promotion (Exilixi), for which Logothetis won a jury award for Best Performance at the San Francisco Greek Film Festival in 2024.

From 2021 to 2024 Logothetis had roles in several English-language TV mini-series. The first was Magpie Murders, based on a novel by Anthony Horowitz, which was filmed in 2021 and aired on PBS and Britbox in 2022, and BBC One in 2023. The second was the 2024 mini-series Moonflower Murders, based on another Horowitz novel.