Sir Edward Cust, 1st Baronet, KCH (17 March 1794 – 14 January 1878) was a British soldier, politician and courtier.

[3] As a Member of Parliament, he raised concerns about the management of public architectural projects, particular the works at Buckingham House.

Peel was replaced by Lord Melbourne as Prime Minister in April 1835, and it was decided to proceed with the competition along Cust's lines, with the style limited to Elizabethan or Gothic, so rejecting the neo-classical.

The others, all amateurs from the point of view of architectural knowledge, were Charles Hanbury-Tracy, Thomas Liddell, 1st Baron Ravensworth, Samuel Rogers and George Vivian.

[7] In 1816 Cust became equerry to Prince Leopold of Saxe-Coburg, who that year married Princess Charlotte of Wales.

[12] Before Margaret's death, in the 1823–4 parliamentary session, Cust was appointed to the committee of the West India planters and merchants there.

Edward Cust received half the compensation for the enslaved people on the Greenwich Park estate under the Slavery Abolition Act 1833.