The Conservative Club was a London gentlemen's club, now dissolved, which was established in 1840. In 1950 it merged with the Bath Club, and was disbanded in 1981. From 1845 until 1959, the club occupied a building at 74 St James's Street.
As the name implies, the club was politically aligned to the Conservatives, but it was very much formed at the outset for dissident Tories out of favour with the Carlton Club, and its membership contained numerous rebellious MPs and activists during its history.
Attendees at the inaugural meeting on 29 July 1840 were Quintin Dick MP, Viscount Castlereagh MP, W. S. Blackstone MP, the Hon. Captain Duncombe MP, Thomas Hawkes MP, W. A. Mackinnon MP, John Neeld MP, P. D. Pauncefort Duncombe, Charles Hopkinson, and Thomas Walford. At first, the club met in the Lansdowne Hotel in Dover Street, before taking up rooms in the Royal Hotel at 88 St. James's Street, until the clubhouse's 1845 completion.
The clubhouse was designed by George Basevi and Sydney Smirke.
In 1941, the non-political Bath Club was hit by a bomb, and after several moves to temporary accommodation, they were granted the hospitality of the Conservative Club. As the decade wore on, it was decided to merge the two clubs – in 1950 they became the Bath Club in name, although retaining the Conservative Club's premises until the end of the decade.