Rosenkranz is the Danish and German word for rosary. The literal German meaning is 'wreath of roses'.

Rosenkranz, Rosenkrantz, Rosencrance, Rosencrans or Rosencrantz is a Germanic and Ashkenazi Jewish surname and may refer to:

• Rosenkrantz (family), part of high aristocracy of Scandinavia and Germany
• Barbara Rosenkranz (born 1958), Austrian politician
• Carlos Rosenkrantz (born 1958), Argentine lawyer and judge
• Eva Rosencrans (1901–1994), American fashion designer
• Gary Rosenkrantz, American philosopher
• George Rosenkranz (1916–2019), Mexican chemist and bridge player
  • Rosenkranz double and redouble, contract bridge terms created by George
• Hans Rosencrantz (1890–1916), German flying ace
• Johann Karl Friedrich Rosenkranz (1805–1879), German philosopher
• Marcus Gjøe Rosenkrantz (1762–1838), Norwegian minister
• Nicholas Quinn Rosenkranz (born 1970), American legal scholar, son of Robert
• Pernille Rosenkrantz-Theil (born 1977), Danish politician
• Robert Rosencrans, (1927–2006), American cable television pioneer
• Robert Rosenkranz (born 1942), American businessman
• Timme Rosenkrantz (1911–1969), Danish author and jazz enthusiast
• Walter Rosenkranz (born 1962), Austrian politician and lawyer

• One half of the duo Rosencrantz and Guildensternin Shakespeare's Hamlet
• Rosencrantz and Guildenstern Are Dead, a 1966 play by Tom Stoppard
  • Rosencrantz and Guildenstern Are Dead (film), a 1990 film based upon the play
• Rosenkrantz Tower, a landmark in Bergen, Norway
• Rosencrantz, a fictional character in the video game Onimusha: Dawn of Dreams

• Rosecrans (disambiguation)