Earl of Portland (also Duke of Portland), an English title
Portland Bill, the main character in children's television show The Adventures of Portland Bill, humorously named after the geographical feature of Portland Bill
Portland Island, a fictional island in Liberty City in the game Grand Theft Auto III and Grand Theft Auto: Liberty City Stories (the prequel to III)
The City of Portland, a passenger train running between Chicago, Illinois, and Portland, Oregon
Duke of Portland (whaler), an American whaling ship
SS Portland, a ship sunk in the Portland Gale off New England in 1898
HMSPortland(en)[traduceți], any of eight ships of the British Navy
USSPortland(en)[traduceți], either of two United States Navy ships
Portland Streetcar, a transport system in Portland, Oregon
Portland Winter Hawks, WHL hockey team based in Portland, Oregon
Portland Beavers, PCL minor league baseball team based in Portland, Oregon
Portland LumberJax, NLL lacrosse team based in Portland, Oregon
Portland Timbers (USL), football (soccer) team based in Portland, Oregon
Portland Sea Dogs, EL minor league baseball team based in Portland, Maine
Portland Pirates, AHL minor league hockey team based in Portland, Maine
Portland San Antonio, Spanish ASOBAL handball team based in Pamplona, Spain
The Portland Project, an initiative to encourage the use of Linux on desktop computers
Battle of Portland, a sea battle off the Isle of Portland in 1653 between England and the Dutch Republic
Battle of Portland Harbor, a naval battle of the American Civil War, fought 27 June 1863 at Portland, Maine
Portland cement, the type of cement used for most mortar and concrete, and for some other building materials, named from its similarity to Portland stone
Portland Club (London), a club in London, the recognized authority on the games of whist and bridge
Portland Club (Maine), a club in Portland, Maine
Portland Gale, a storm off the coast of New England in 1898, named after the ship SS Portland which sank in it
Portland (sheep), a small, ancient breed of sheep from the Isle of Portland
Portland stone, a limestone from the Isle of Portland used in the construction of many important buildings
Portland Vase, a Roman antique exhibited at the British Galleries