Serena Ryder (born December 8, 1982) is a Canadian musician. Born in Toronto, she grew up in Millbrook, Ontario. Ryder first gained national recognition with her ballad "Weak in the Knees" in 2007. An accomplished songwriter and musician, she also possesses a five-octave vocal range and is considered a mezzo-soprano. Her timbre has been described as slightly nasal with a raspy lower register.
Ryder is the daughter of Barbara Ryder and Glen Sorzano. Her father, a Trinidadian, was a founding member of the band the Tradewinds. Ryder was raised by Barbara and her second husband, Andrew McKibbon, just outside Peterborough, in Millbrook, Ontario, and grew up listening to old records by the Beatles and Leonard Cohen from her parents' collection. She grew up the only child in her family. At age eight, Ryder sang at Royal Canadian Legion halls and motor hotels. Having received a guitar from her stepfather, she began playing the instrument at the age of thirteen. Songwriting efforts followed. At fifteen, she was playing classic and folk tunes with her piano teacher in coffeehouses and legion halls.