Tros or TROS may refer to:

• Tros, a taxonomic synonym for the plant genus Narcissus

• 18281 Tros, an asteroid

• Tros, a crater on Jupiter's moon Ganymede

• Transformer read-only storage, a type of read-only memory

• TROS, a Dutch broadcasting union, originally an acronym for Televisie Radio Omroep Stichting

• Tros (mythology), a figure in Greek mythology who was the eponymous ancestor of the Trojans

• Tros, Poland, a village

• Tros of Samothrace, fictional Greek freedom fighter in the works of Talbot Mundy

• TRoS or The Riddle of Steel, a roleplaying game

• Star Wars: The Rise of Skywalker, a 2019 Star Wars film

See also

• TRO (disambiguation)