Alexandra "Alex" Cabot is a fictional character within the Law & Order universe portrayed by Stephanie March. She is a primary character in Law & Order: Special Victims Unit and Conviction.

Stephanie Caroline March Benton is an American actress. She is known for starring as Alexandra Cabot in the crime drama franchise Law & Order, which she played in the NBC series Law & Order: Special Victims Unit (2000–2018) and reprised in other media. The role earned her a nomination for the Satellite Award for Best Television Series – Drama.