Stanisław Julian Ignacy Ostroróg (also known as Walery, Stanislas Waléry, Lucien Waléry, and Laryew, born 12 September 1863 – 24 February 1929) was a Polish photographer active in London and Paris between 1890 and 1929. After inheriting his father's name and photographic studio in London, he continued with portraiture for about a decade until the turn of the century when he moved definitively to Paris. There he achieved celebrity as an innovator and accomplished photographer of cabaret stars and of the female form.