Alexander Frederik de Savornin Lohman (29 May 1837 – 11 June 1924) was a Dutch politician and leader of the Christian Historical Union during the first quarter of the 20th century.

De Savornin Lohman went on, at times reluctantly, to become Kuyper's most important collaborator in his many projects (the school struggle, the foundation of the Anti-Revolutionary Party in 1879, the 1886 Dutch Reformed Church split and the creation of the Vrije Universiteit Amsterdam in 1879).

When the Liberal minister Johannes Tak van Poortvliet presented a proposal to introduce universal suffrage in 1893, this proved to be an especially divisive issue.

Universal suffrage would give the vote to orthodox Protestant farmers and small entrepreneurs (collectively referred to in Dutch political science as kleine luyden), who had hitherto been ineligible because of the minimum taxes requirement.

The conflict led to a split in the ARP with De Savornin Lohman and his largely aristocratic colleagues forming the smaller splinter group.

In 1908, after a series of mergers with like-minded political groups, De Savornin Lohman and his VAR founded the Christian Historical Union (CHU).

Professionally, De Savornin Lohman was employed by the Vrije Universiteit Amsterdam to teach law and a Reformed outlook on science.