Olivia Benson is a fictional character from the television series Law & Order: Special Victims Unit (SVU). She is portrayed by actress Mariska Hargitay and serves as a detective in the Special Victims Unit of the New York City Police Department. The character is known for her dedication to justice and her compassion for victims of sexual crimes. Benson's character has evolved over the series, becoming a sergeant and later a lieutenant. She is recognized for her strong moral compass and her ability to connect with survivors. Olivia Benson has become an iconic figure in popular culture, representing resilience and advocacy for victims' rights.