Margherita Arlina Hamm (1867–1907) was a Canadian-born American journalist and author. She was among the earliest women to cover a war from the front lines. She was also a prolific author of popular books, especially relating to travel and famous people. Hamm was both an active suffragist, a supporter, and defender of American overseas imperialism/colonialism at the time of the Spanish–American War- which she covered.