| Topic | Sub-Topic | Hymn | First Line |
|---|
| New Heavesn and New Earth | | #291 | New heavens, new earth, where are ye |
| New Year | | #188 | All the days of my life, be they many or few |
| Not Yet | | #482 | Not yet along the purpling sky |
| Novalis's Ninth Spiritual Song | | #378 | I say to every man I meet |
| O Lord, deliver | | #236 | O Lord, deliver, when the unclouded ray |
| Ode | | #523 | The everlasting mountains stand |
| Oh! who that has gazed, in the stillness of even | | #152 | O who that has gazed in the stillness of even |
| Old Age | | #16 | Youth and its vernal bloom have fled |
| On an Engraving of the Crucifixion | | #421 | Work of a hand whose graver cut |
| On Opening our Organ | | #103 | All nature's works his praise declare |
| On Prayer | | #55 | As through the pathleess fields of air |
| On the close of the Year | | #48 | Another year, another year, the unceasing rush |
| On the death of a child | | #411 | One bright flower has drooped and faded |
| On the Death of a Young Artist | | #367 | The break of morn and May |
| On Visiting my Home after Forty Years | | #359 | Entranced among the rocks and trees |
| One in Christ | | #392 | From Zion's holy hill there rose |
| Only believe | | #130 | Jesus said with soothing voice |
| Ordinating a Western Missionary | | #288 | Where, for a thousand miles the sweet Ohio smiles |
| Ordination | | #106 | O thou who on thy chosen Son |
| Ordination | | #154 | Parent of souls, all tribes depend |