Lorna Watson (born 1977) is a British comedian, actress and television presenter.
In 2013, Watson appeared as Sister Boniface in the Father Brown episode "The Bride of Christ" and took part in a special series of The Great British Bake Off.
In 2015, she starred in a special episode of Horrible Histories in which she played Boudicca.
She also played a one-off character called 'Thingy' in the 'Fashion Phonies' episode of CBBC's Hotel Trubble.
In January 2020, it was announced that Watson would be reprising her Sister Boniface role for a new series called Sister Boniface Mysteries, with a ten-episode first series premiering on the streaming service BritBox.