Diane Birch (born January 24, 1983) is an American singer-songwriter.
Birch was born in Michigan and her father was a Seventh-day Adventist preacher whose work took him to several countries. As a child Birch lived with her family in Zimbabwe, South Africa and Sydney, Australia. When she was ten, her family returned to the United States of America, and settled in Portland, Oregon. Diane attended Portland Adventist Elementary School and later, Portland Adventist Academy.
Birch began studying piano using the Suzuki method at the age of seven and she listened to opera, classical and church music while growing up.
Birch moved to Los Angeles to compose music for films and instead played piano at the Beverly Hotel and L'Orangerie.