Denmark: Fixed and Moveable Feast Days beginning with I
A
| B
| C
| D
| E
| F
| G
| H
| I
| J
| K
| L
| M
| N
| O
| P
| Q
| R
| S
| T
| U
| V and W
| X, Y, and Z
| Ida | 4 September | |
| Ignatii | 17 December | |
| Ignatus | 1 February | |
| Ilgentag | 1 September | |
| Ilians Messe | 1 September | |
| Immanuel | 26 March | |
| Ingeborg | 8 October | |
| Ingenuus | 13 May | |
| Inger | 26 February | |
| Innocent | 17 October | |
| Innocentium | 28 December | |
| Innocentius pap. | 12 March | |
| Innocentius pap. | 28 July | |
| Innocentius ep. | 22 December | |
| Inventio Johannis | 24 February | |
| Inventio S. Crusis | 3 May | |
| Inventio St. Olai | 3 August | |
| Inventio S. Stephani | 3 August | |
| Inventio S. Stephani regis | 11 October | |
| Invocavit | ||
| Irenaeus ep. | 28 June | |
| Irenaeus & Abundius | 26 August | |
| Irenaeus | 15 December | |
| Irene | 5 April | |
| Irene virg. Mart. | 3 April | |
| Irene virg. Mart. | 20 October | |
| Irmel | 4 September | |
| Isaach | 17 December | |
| Isaach in Sweden | 19 December | |
| Isidorus ep. | 7 January | |
| Isidorus in Sweden | 14 December | |
| Isidorus Mart. | 15 May | |
| Ismael | 17 June | |
| Israel | 23 December | |
| Ivo | 19 May |