Sir Arthur William Blomfield (6 March 1829–30 October 1899) was an architect.
Following his architectural training, he set up his own practice in 1856. He specialised in the design of churches, and was a proponent of Gothic Revival architecture.
Among the building he designed in London were:
- Whitgift Hospital Schools, Croydon (1869–71)
- St Saviour's, Oxford Street (1873-75)
- St James's, West Hampstead (1873-75)
- St John's Church, Wilton Road (1875)
- St Barnabas's, Bell Street (1875)
- Sion College Library on the Thames Embankment (1886)
- Bancroft's School, Woodford (1887–89)
- St Saviour's, Southwark (nave, south porch, and south transept) (1890–97)
- Royal College of Music (1894)
- Church House, Dean's Yard, Westminster (1896)
Paul Waterhouse. Blomfield, Sir Arthur William (1829–1899). Oxford Dictionary of National Biography.