Titles Beginning with "O"
- O Christmas Tree
- O Come All Ye Faithful
- O Holy Night
- O Little Town of Bethlehem
- Ode to Joy (Beethoven)
- Oh, My Darling Clementine
- Oh! Susanna
- Old Black Joe
- Old Folks at Home, The
- Old MacDonald Had a Farm
- Old Rosin, the Beau
- Onward Christian Soldiers
- Oriental Riff
