List of Famous people named Alvan

Alvan Leigh Adams is an American former professional basketball player. After playing college basketball for the Oklahoma Sooners, the power forward/center was selected by the Phoenix Suns with the 4th pick of the 1975 NBA draft. Adams was a rookie on a Suns team whose season included an improbable playoff run that took them all the way to the 1976 NBA Finals. In the same year, he was selected to play in the All-Star Game and won the NBA Rookie of the Year Award as well as being named to the All-NBA Rookie Team. Adams spent his entire career with the Suns and retired in 1988 as the second all-time Suns scorer with 13,910 career points.

Alvan Tufts Fuller was an American businessman, politician, art collector, and philanthropist from Massachusetts. He opened one of the first automobile dealerships in Massachusetts, which in 1920 was recognized as "the world's most successful auto dealership", and made him one of the state's wealthiest men. Politically a Progressive Republican, he was elected a member of the Massachusetts House of Representatives, was a delegate to the Republican National Convention in 1916, and served as a United States Representative from 1917 to 1921.

Alvan Flanders was a Delegate from the Territory of Washington.