Jonathan Fa'afetai Lemalu ONZM (born 1976) is a New Zealand bass baritone opera singer.

Born to Samoan parents who had emigrated to New Zealand,[1] he was educated in Dunedin.

His first singing teacher was Honor McKellar, who began teaching him while he attended Otago Boys' High School.

He was the 2004 winner of the Royal Philharmonic Society's award for Young Artist of the Year.

[8] Lemalu's wife is a Croatian family therapist, Sandra Martinović.