Rhys or Rhŷs is a popular Welsh given name (usually male), which is famous in Welsh history and which is also used as a surname. It is pronounced [r̥ɨːs] in North Wales, [r̥iːs] in South Wales, and /riːs/ in English. Anglicised forms of the name include Rees, Reese and Reece.
Rhys ap Thomas (1449–1525), a Welsh soldier and landholder who was instrumental in the victory of Henry Tudor at the Battle of Bosworth Field
Rhys ap Gruffydd (1132–1197), 12th-century ruler of southern Wales
Rhys ap Tewdwr (died 1093), 11th-century prince of southern Wales
Rhys Lewis (born 1532), MP for New Radnor Boroughs October 1553 and 1558
Rhys Lewis (1571 MP), MP for New Radnor Boroughs 1571
As a first name, Rhys may refer to:
Rhys Bobridge (born 1981), Australian singer and dancer
Rhys Chatham (born 1952), American avant-garde "guitar orchestra" composer
Rhys Coiro (born 1979), American film actor and singer
Rhys Darby (born 1974), stand-up comedian from New Zealand
Rhys Davies (born 1985), Welsh Golfer
Rhys Day (born 1982), Welsh footballer
Rhys Evans (born 1982), English footballer
Rhys Fulber (born 1970), member of Front Line Assembly
Rhys Gemmell (born 1896), former tennis player from Australia
Rhys Hanbury (born 1985), Australian rugby league footballer
Rhys Hughes (born 1966), Welsh writer
Rhys Ifans (born 1967), Welsh actor
Rhys Jenkins (born 1990), rugby union player
Rhys L. Isaac, professor
Rhys Millen, car racer
Rhys Muldoon (born 1965), Australian actor
Rhys M. Thomas (born 1982), Welsh international rugby union player
Rhys Oakley (born 1980), Wales international rugby union player
Rhys Palmer (born 1989), Australian rules footballer
Rhys Patchell Welsh rugby union player
Rhys Priestland (born 1987), Welsh rugby union player
Rhys Rhys-Williams (1865–1955), British Liberal Party politician
Rhys Stanley (born 1990), Australian rules footballer
Rhys Taylor (born 1990), Welsh footballer
Rhys Thomas (comedian) (born 1978), English comedian and actor
Rhys Wakefield (born 1988), Australian actor
Rhys Webb (born 1988), Welsh rugby union player
Rhys Wesser (born 1979), Australian professional rugby league footballer
Rhys Williams (rugby player, born 1980) (born 1980),Welsh rugby union player
Rhys H. Williams (rugby player) (1930–1993), Welsh rugby union player
T. Rhys Thomas, Wales international rugby union player
As a last name, Rhys may refer to:
Elen Rhys, Welsh actress
Ernest Rhys (1859–1946), English writer
Griff Rhys Jones (born 1953), Welsh comedian and presenter
Gruff Rhys (born 1970), vocalist and guitarist
Jean Rhys (1890–1979), Caribbean writer
Sir John Rhys (1840–1915), Celtic scholar at Oxford
John Rhys-Davies (born 1944), Welsh actor
John Llewellyn Rhys, an airman memorialised by John Llewellyn Rhys prize
Jonathan Rhys Meyers (born 1977), Irish actor
Keidrych Rhys (1915–1987), Welsh literary journalist and editor
Matthew Rhys (born 1974), Welsh actor
Morgan John Rhys (1760–1804), Baptist minister
Paul Rhys (born 1963), Welsh television, film and theatre actor
Phillip Rhys (born 1974), English actor
Siôn Dafydd Rhys (1534 – c. 1609), Welsh physician and grammarian
Rhys (Rhysand), from the series A Court of Thorns and Roses by Sarah J. Maas
Rhys, the central character of the first generation of Phantasy Star III
Rhys, a main player-character from the Tales from the Borderlands video game
Rhys, in Laurell K. Hamilton's Merry Gentry book series
Rhys, in Gail Carson Levine's The Two Princesses of Bamarre
Rhys, in the Fire Emblem: Path of Radiance video game
Rhys Ashworth, on the British soap Hollyoaks
Rhys Dahl, in Amanda Hocking's Switched
Rhys Lawson, from the Australian soap opera Neighbours
Rhys Lewis, the eponymous subject of an 1885 novel by Daniel Owen
Rhys Maelwaedd, a character of the Deverry Cycle book series.
Rhys Rhysson, the Low King of the dwarfs in Terry Pratchett's Discworld books
Rhys Williams, in the BBC science fiction series Torchwood
Rhys, an elvish hunter in the Gilt-Leaf tribe, from the Lorwyn and Shadowmoor blocks of Magic: The Gathering, a collectible card game
Rhys Sutherland, in the Home and Away television series