There have been two Baronetcies created for members of the Cust family, one in the Baronetage of England and one in the Baronetage of the United Kingdom.

The Cust Baronetcy, of Stamford in the County of Lincoln, was created in the Baronetage of England on 29 September 1677 for Richard Cust

Sir Richard Cust, 1st Baronet

Sir Richard Cust, 1st Baronet was a British barrister and Member of Parliament.Cust was the son of Samuel Cust and Ann Burrell. He represented Lincolnshire in the House of Commons in 1653 and Stamford from 1679 to 1685...

. The fourth holder of this creation was elevated to the peerage as Baron Brownlow

Baron Brownlow

Baron Brownlow, of Belton in the County of Lincoln, is a title in the Peerage of Great Britain. It was created in 1776 for Sir Brownlow Cust, 4th Baronet. The Cust family descends from Richard Cust who represented Lincolnshire and Stamford in Parliament. In 1677 he was created a Baronet, of...

 in 1776 (see this title for more information).

The Cust Baronetcy, of Leasowe Castle in the County of Chester, was created in the Baronetage of the United Kingdom on 26 February 1876 for Edward Cust. He was the younger son of Brownlow Cust, 1st Baron Brownlow

Brownlow Cust, 1st Baron Brownlow

Brownlow Cust, 1st Baron Brownlow FRS , known as Sir Brownlow Cust, 4th Baronet, from 1770 to 1776, was a British Tory Member of Parliament....

, and had earlier represented Grantham

Grantham (UK Parliament constituency)

Grantham was a Parliamentary constituency in Lincolnshire, England.The constituency was created in 1468 as a parliamentary borough which elected two Members of Parliament to the House of Commons of the Parliament of England until the union with Scotland, and then to the Parliament of Great Britain...

 and Lostwithiel

Lostwithiel (UK Parliament constituency)

Lostwithiel was a rotten borough in Cornwall which returned two Members of Parliament to the House of Commons in the English and later British Parliament from 1304 to 1832, when it was abolished by the Great Reform Act.-History:...

 in the House of Commons

British House of Commons

The House of Commons is the lower house of the Parliament of the United Kingdom, which also comprises the Sovereign and the House of Lords . Both Commons and Lords meet in the Palace of Westminster. The Commons is a democratically elected body, consisting of 650 members , who are known as Members...

. The title became extinct on the death of the first Baronet's grandson, the third Baronet, in 1931.

Cust Baronets, of Leasowe Castle (1876)

• Sir Edward Cust, 1st Baronet (1794-1878)
• Sir Leopold Cust, 2nd Baronet (1831-1878)
• Sir Charles Leopold Cust, 3rd Baronet (1864-1931)