Walter Frederick Osborne (17 June 1859 – 24 April 1903) was an Irish impressionist and Post-Impressionism landscape and portrait painter, best known for his documentary depictions of late 19th century working class life. Most of his paintings are figurative and focus on women, children, the elderly, the poor, and the day-to-day life of ordinary people on Dublin streets, as well as series of rural scenes. He also produced city-scapes, which he painted from both sketches and photographs. A prolific artist, he produced oils, watercolours, and numerous pencil sketches.