| 2781 O Sacred Head Now Wounded |
| 2782 O Senhor É Rei |
| 2783 O Store Gud |
| 2784 O The Deep Deep Love Of Jesus |
| 2785 O Why Not Tonight |
| 2786 O Worship The King |
| 2787 Oba Nisa ඔබ නිසයි - මහිමයෙන් පිරි දේශයක් ඇත |
| 2788 Oba Thulin Galana ඔබ තුලින් ගලනා |
| 2789 Ocean Will Part |
| 2790 Of The Fathers Love Begotten |
| 2791 Ofertorio De Amor |
| 2792 Ofertorio Para Misa |
| 2793 Ofrece |
| 2794 Ofrenda De Amor |
| 2795 Oft Ists Schwer Die Augen Aufzutun |
| 2796 Oh Buen Jesús |
| 2797 Oh Divino Niño |
| 2798 Oh Fill It Up |
| 2799 Oh Give Thanks |
| 2800 Oh God Beyond All Praising |