Heather Sears (28 September 1935 – 3 January 1994) was an English actress who worked in theatre, film and television. Born in London, she trained at the Central School of Speech and Drama before beginning her acting career in the mid-1950s.

Sears became known for her role as Esther Costello in The Story of Esther Costello (1957), which earned her the BAFTA Award for Best British Actress. Her film credits also included Room at the Top (1959), Sons and Lovers (1960) and The Phantom of the Opera (1962), in which she played Christine Charles. She continued acting in film and television into the 1980s.