Ewan Gordon McGregor (/ˈjuːən/ YOO-ən; born 31 March 1971) is a Scottish actor. His accolades include a Golden Globe Award and a Primetime Emmy Award. In 2013, he was appointed Officer of the Order of the British Empire (OBE) for his services to drama and charity.

While studying drama at the Guildhall School of Music and Drama, McGregor began his career with a leading role in the British series Lipstick on Your Collar (1993). He gained international recognition for starring as drug addict Mark Renton in Trainspotting (1996) and as Obi-Wan Kenobi in the Star Wars prequel trilogy (1999–2005). His career progressed with starring roles in the musical Moulin Rouge! (2001), action film Black Hawk Down (2001), fantasy film Big Fish (2003), and thriller Angels and Demons (2009). He gained praise for his performances in the thriller The Ghost Writer (2010) and romantic comedy Salmon Fishing in the Yemen (2011).

McGregor made his directorial debut with the crime film American Pastoral (2016), in which he also starred. For his dual role as brothers Ray and Emmit Stussy in the third season of the anthology series Fargo (2017), he won the Golden Globe Award for Best Actor – Miniseries or Television Film. He voiced Lumière in Beauty and the Beast (2017), and played the title role in Christopher Robin (2018), Dan Torrance in Doctor Sleep (2019), and Black Mask in Birds of Prey (2020). He reprised his role as Kenobi in the 2022 miniseries Obi-Wan Kenobi, and won a Primetime Emmy Award for Outstanding Lead Actor for his portrayal of fashion designer Halston in the miniseries Halston (2021).

McGregor has also starred in theatre productions of Guys and Dolls (2005–2007) and Othello (2007–2008). He has been involved in charity work and has served as an ambassador for UNICEF UK since 2004..