Jane Lapotaire is a British actress.
Lapotaire was born at Ipswich, Suffolk. She studied at the Bristol Old Vic Theatre School in the 1960s. Her performance in the title role of Marie Curie first brought her to wide attention. In 1978 she performed the title role Édith Piaf for Pam Gems's play Piaf, directed by Howard Davies for the Royal Shakespeare Company, in Stratford-upon-Avon and in London at the Warehouse Theatre, Covent Garden in 1979. Two year later the show moved to Broadway. Lapotaire won the Tony Award for Leading Actress in a Play that year.