eaglet may refer to:

• An eaglet, the immature young of an eagle, which in turn encompasses several species of bird of prey
• HMS Eaglet (shore establishment), home of Royal Naval Reserve Merseyside, Royal Marines Reserve Merseyside and Liverpool URNU since 1995
• USS Eaglet (SP-909), later YP-909, a United States Navy patrol boat in commission from 1917 to 1921
• P92 Eaglet, a high-winged, light aircraft built by the Tecnam aircraft company
• The Eaglet (l'Aiglon), nickname for Napoleon II
• Eaglet (Alice's Adventures in Wonderland), a character from Alice's Adventures in Wonderland by Lewis Carroll
• Isis Eaglet, also known as Isis Egret, a character in Magical Chronicle Lyrical Nanoha Force
• Orlyonok (Russian: Орлёнок, Orlyonok), the Russian Children's Center, literally eaglet
• The Eaglet (1931 film), a French historical drama film
• The Eaglet (1913 film), a French silent historical film
• Eaglet (HBC vessel), 1668, see Hudson's Bay Company vessels
• Eaglets, a 1944 Swedish drama film