The Political Martyrs Monument, located in the Old Calton Burial Ground on Calton Hill, Edinburgh, commemorates five political reformists from the late 18th and early 19th centuries. Designed by Thomas Hamilton and erected in 1844, it is a 90 ft (27 m) tall obelisk on a square-plan base plinth, all constructed in ashlar sandstone blocks. As part of the Burial Ground it is Category A listed.

The Old Calton Burial Ground is a cemetery in Edinburgh, Scotland. It located at Calton Hill to the north-east of the city centre. The burial ground was opened in 1718, and is the resting place of several notable Scots, including philosopher David Hume, scientist John Playfair, rival publishers William Blackwood and Archibald Constable, and clergyman Dr Robert Candlish. It is also the site of the Political Martyrs' Monument, an obelisk erected to the memory of a number of political reformers, and Scotland's American Civil War Memorial.