Butler Cole Aspinall (11 November 1830 – 4 April 1875) was an Australian defence advocate and politician. He was one of the counsel for the leaders of the , and defended Henry James O'Farrell for the attempted assassination of Prince Alfred, Duke of Edinburgh.
The son of the Reverend James Aspinall, he was born in Liverpool, Merseyside, England in 1830, educated for the law, and was called to the Bar in 1853. He engaged in newspaper work, contributing to the Morning Chronicle and other London papers. In 1854 he came to Melbourne as a law reporter for The Argus, also he contributed to the Morning Herald, Age, and Melbourne Punch. He soon began to practise as a barrister and gained a great reputation as an advocate, and as a wit and humorist.
In February 1855, he was one of the counsel for the leaders of the Eureka Rebellion.
In 1856 Aspinall was elected a member of the Victorian Legislative Assembly for Talbot. He also represented Castlemaine (1859–61), Geelong East (1861–64), Portland (1866–67) and St Kilda (1868–1870). At the end of July 1861 he became Attorney-General in the Richard Heales ministry, but the cabinet resigned a few weeks later.