List of Famous people with last name Loudon

Gina Loudon, known as Dr. Gina, is a conservative media personality. She is a member of the Trump campaign's media advisory board, the co-chair of Women for Trump 2020, a member at Mar-a-Lago, and the current face of Citizen Voters Inc.

Jonkheer James Loudon was a Dutch politician. He was Minister of Colonial Affairs in the Van Zuylen van Nijevelt-Van Heemstra cabinet (1861–1862), King's Commissioner in South Holland (1862–1871), and Governor-General of the Dutch East Indies (1872–1875). He was the father of politician John Loudon.

Jonkheer John Hugo Loudon KBE was the CEO of Royal Dutch Shell from 1952 to 1965 and the president of World Wide Fund for Nature.

John Claudius Loudon was a Scottish botanist, garden designer and author. He was the first to use the term arboretum in writing to refer to a garden of plants, especially trees, collected for the purpose of scientific study. The standard author abbreviation Loudon is used to indicate this person as the author when citing a botanical name. He had a wife, Jane, née Webb.