Janette Rosing (1942 - 2021) was an antiquarian, art and photograph collector.^[1][2] Her photograph collection, included some 8,000 images including early photographs of the Industrial Revolution described as some of the oldest photographs in England.^[3][4] The collection primarily included 19th and 20th century photography.^[5] Some of the collection was exhibited in 2015 at the London Photograph Fair.^[6]

She began collecting photographs in the early 1980s.^[1][7] She amassed her collection through fairs and auctions.^[1] She was close friends with Charles Cloney, a reclusive photographic collector who also amassed a large collection and died in 2002.^[8]

In 2011, she assisted the National Museum of Bermuda with acquiring an 1834 portrait of the Royal Navy officer Thomas Harvey.^[9]

She died 6 March 2021.^[10]

In February 2025, Historic England acquired the Janette Rosing Collection, describing it as of "great national significance".^{[3][4][11][12]}