Ry is an abbreviation for railway and relay.
Ry, RY, or ry may also refer to:
People First name Ry Bradley (born 1980), American singer and musician Ry Cooder (born 1947), American musician Ry Nikonova (1942–2014), Russian artist Ry Rocklen (born 1978), American artist Ry Russo-Young (born 1981), American filmmaker RY X (born 1988), Australian musician Ryland Rose, Australian rapper formerly known as Ry
Surname Paul du Ry (1640–1714), French architect Simon Louis du Ry (1726–1799), French architect and grandson of Paul du Ry Na Ry (born 1985), South Korean beauty queen Trần Thị Hoa Ry (born 1976), Vietnamese politician
Places Denmark Ry, Denmark, town in Jutland Ry train station Ry Municipality, former municipality in Jutland
France Auzouville-sur-Ry, commune in Normandy Grainville-sur-Ry, commune in Normandy Ry, Seine-Maritime, administrative division in Normandy
Science and technology Rydberg constant, unit of energy used in quantum physics related to the ground state energy of the hydrogen atom Consolidated RY, former cargo aircraft of the U.S. Navy RY Sagittarii, star in the constellation Sagittarius RY Tauri, star in the constellation Taurus RY (test signal), character string used to test five-level teleprinter channels
Business and finance
Rekisteröity yhdistys ('ry' or 'ry.'), a Finnish non-profit organization () Royal Bank of Canada (stock symbol RY on tsx2 and nyse2)
Other Operation RY, Japanese plan to invade South Pacific islands during World War II "Ry Tanindrazanay malala ô!", national anthem of Madagascar
See also RI (disambiguation)