Hans Gefors (born 8 December 1952 in Stockholm) is a Swedish composer. He has lived in Lund since the mid-1990s.

Selected works

• La boîte chinoise, for guitar (1975)
• Poeten och glasmästaren, chamber opera (1979, libretto: Lars Forssell after Baudelaire)
• Slits for orchestra (1981)
• Christina, opera in two acts (1982–86, libretto: Lars Forssell och Hans Gefors)
• Whales weep not!, a cappella chorus (1987, D. H. Lawrence)
• Twine (Music no 3) for orchestra (1988)
• En obol, song-cycle (1989, Lars Forssell)
• Der Park, opera in three acts (1986–91, libretto: Botho Strauss och Hans Gefors)
• Vargen kommer, opera in three acts (1994–96, libretto: Kerstin Perski
• Lydias sånger, song-cycle for mezzo-soprano and orchestra (1995-96 from the poem of Hjalmar Söderberg Den allvarsamma leken)
• Clara, opera in two acts (1997–98, libretto: Jean-Claude Carrière)
• Kabaretsånger (2001, Jonas Gardell)
• Njutningen (La Jouissance) (Music no 7), song-cycle in five parts (2002)
• Skuggspel, opera in one act (2003–04, libretto: Maria Sundqvist)
• Själens rening genom lek och skoj, car-radio opera (2005–09, libretto: Hans Gefors after Erlend Loe)
• Umi sono mono for choir, electric guitar and percussion (2011, Yukio Mishima)
• Notorious, opera in five acts (2012–14, libretto: Kerstin Perski)
• Modstand mod renhed, three songs to poems by Inger Christensen (2015–16)
• Det store andletet, five songs to poems of Jon Fosse (2015–16)