Tatiana Gabriele Maslany (; born September 22, 1985) is a Canadian actress.
She is known for portraying multiple characters in the science fiction television series Orphan Black (2013–17), which aired on Space in Canada and BBC America in the United States.
For her acting work in Orphan Black, Maslany won a Primetime Emmy Award (2016), a TCA Award (2013), two Critics' Choice Awards (2013 and 2014), and five Canadian Screen Awards (2014–18), in addition to receiving nominations for a Golden Globe Award and a Screen Actors Guild Award.
Maslany is the first Canadian actor to win an Emmy in a major dramatic category for a Canadian series.She has also appeared in television series such as Heartland (2008–2010), The Nativity (2010), and Being Erica (2009–2011).
In 2013, she won an ACTRA Award for her lead role in the film Picture Day and the Phillip Borsos Award for her performance in the film Cas and Dylan.
Her other notable films include Diary of the Dead (2007), Eastern Promises (2007), The Vow (2012), Woman in Gold (2015), Stronger (2017), and Destroyer (2018).