| Oziel Toussaint |
Adult, III |
45 |
9 May 2025 |
| Owen Pryce |
First year, Gryffindor |
29 |
10 Feb 2018 |
| Owen Lochridge |
First year, Writer, Hufflepuff |
4 |
1 Jul 2026 |
| Owen Lightwood |
First year, Hufflepuff |
1 |
10 Jun 2018 |
| Ouroboros Lustrice |
First year, Ravenclaw |
2 |
10 Nov 2022 |
| Ottilie Thompson |
First year, Quidditch Player, Gryffindor |
65 |
12 Jun 2025 |
| Ottilie Canvendish |
First year, Gryffindor |
2 |
6 Jul 2026 |
| Otorva Kritt |
First year, Hufflepuff |
3 |
28 Sep 2020 |
| Oswald Vanigton |
Third year, Hufflepuff |
68 |
15 May 2019 |
| Oscar Freeman |
First year, Gryffindor |
1 |
16 Sep 2020 |
| Oscar Doherty |
First year, Gryffindor |
6 |
18 May 2025 |
| Orpheus Silvertounge |
First year, Hufflepuff |
1 |
15 Jan 2023 |
| Orla Hoeft |
First year, Gryffindor |
1 |
8 Mar 2019 |
| Orla Finch |
Second year, Hufflepuff |
35 |
8 Nov 2021 |
| Orion Stone |
First year, Hufflepuff |
3 |
16 Nov 2020 |
| Orion Quinn |
First year, Slytherin |
38 |
22 Jul 2023 |
| Orion Osterfield |
First year, Hufflepuff |
1 |
16 Jun 2022 |
| Orion Neptune |
Second year, Slytherin |
85 |
13 Jan 2021 |
| Orion Maxwell |
Second year, Ravenclaw |
33 |
16 Dec 2024 |
| Orion Lécuyer |
Professor of Defence Against the Dark Arts, IV |
1 150 |
2 Sep 2021 |
| Orion James |
First year, Slytherin |
1 |
24 Feb 2020 |
| Orion Ewel |
First year, Hufflepuff |
66 |
8 Mar 2018 |
| Orion Brady |
First year, Hufflepuff |
6 |
7 May 2018 |
| Orion B Peregrin |
First year, Slytherin |
4 |
25 Jul 2020 |
| Orion Angelov |
First year, Gryffindor |
4 |
12 Aug 2019 |