Heidi Baader-Nobs (born 5 December 1940) is a Swiss composer. She was born in Delémont, and trained as a teacher at the Ecole Normale in Delémont. She later studied composition and music theory with and Jacques Wildberger at the Basle Musik-Akademie. She settled in Allschwil, married and had three children. She interrupted her career to meet her family responsibilities, but later returned to composing.