Holland with Boston was a county constituency represented in the House of Commons of the Parliament of the United Kingdom from 1918 to 1997. It elected one Member of Parliament (MP) by the first past the post system of election.

The constituency was created in 1918 and abolished in 1997. By the time of its abolition, it was a safe Conservative seat. However, Holland with Boston had been held by both the Liberal and Labour parties before the Second World War.

From 1885 to 1918 the parliamentary borough of Boston returned one MP, while the Lincolnshire county division of Spalding, in the south-east of the historic county, elected another MP. In 1918 these two seats were merged to form this constituency.

When created in 1918 the constituency had the same boundaries as the traditional sub-division of the historic county known as the Parts of Holland, which had become an administrative county in 1889.

In 1997 the constituency was abolished and replaced by two new constituencies, Boston and Skegness and South Holland and The Deepings.

1918–1974: The county of the Parts of Holland.

1974–1983: The Municipal Borough of Boston, the Urban District of Spalding, and the Rural Districts of Boston, East Elloe, and Spalding.

1983–1997: The Borough of Boston, and the District of South Holland wards of Donington, Fleet, Gedney, Holbeach Hurn, Holbeach St John, Holbeach Town, Long Sutton, Moulton, Sutton Bridge, The Saints, and Whaplode.

• List of parliamentary constituencies in Lincolnshire
• 1924 Holland with Boston by-election
• 1929 Holland with Boston by-election
• 1937 Holland with Boston by-election