Birgitte Winther (1751-18 April 1809) was a Danish stage actress and opera singer.
She was one of the first students to be included in the first class of the newly founded opera school in 1773.
As a singer, however, Winther was named the best opera singer in Denmark and as the prima donna of the Danish opera alongside Catharine Frydendahl and Caroline Frederikke Müller.
Not only active at the Royal Danish Theatre, she also toured Denmark and performed on concerts at the countryside.
Also in the capital, she frequently performed in concerts, and along Michael Rosing and Jens Musted, she often performed at the concerts hosted by Det musikalske Selskab and Det harmoniske Selskab, to such an extent that the Royal Theatre complained and stated that when Winther performed so often outside of the theatre, it was not longer necessary for the audience to come there to hear her, which caused the theatre a financial loss.