Yvonne Jaqueline Strzechowski (born 30 July 1982), known professionally as Yvonne Strahovski (/strəˈhɒvski/), is an Australian actress. Primarily noted for her roles in dramatic television, she has received numerous awards and nominations, including two Primetime Emmy Award nominations and three Screen Actors Guild Award nominations.

She is best known for roles as CIA agent Sarah Walker in the NBC spy comedy drama series Chuck (2007–2012), Hannah McKay in the Showtime drama series Dexter (2012–2013), and CIA Agent Kate Morgan in the Fox event series 24: Live Another Day (2014). She stars as Serena Joy Waterford in the Hulu drama series The Handmaid's Tale (2017–present), for which she has received nominations for two Primetime Emmy Awards, three Screen Actors Guild Awards and a Golden Globe Award.

Strahovski's other notable works include Lego: The Adventures of Clutch Powers (2010), The Guilt Trip (2012), Killer Elite (2011), I, Frankenstein (2014), The Astronaut Wives Club (2015), Manhattan Night (2016), All I See Is You (2016), He's Out There (2018), The Predator (2018) and The Tomorrow War (2021). She voiced Miranda Lawson in the Mass Effect video game series and Batwoman in the animated superhero film Batman: Bad Blood (2016).

Early life
Strahovski was born in the Sydney suburb of Werrington Downs, New South Wales, Australia the daughter of Piotr and Bożena Strzechowski; her parents emigrated from Warsaw, Poland. Her father is an electronic engineer, and her mother is a lab technician. Strahovski began acting lessons at age 12 and spent her high school years attending Santa Sabina College, Strathfield. She attended the University of Western Sydney's Theatre Nepean in 2003 and co-founded a small theater company.