| Koko Riddle |
Second-String Quidditch Player, II |
4 171 |
23 Nov 2018 |
| Kim Sato |
Sixth year, Duellist, Gryffindor |
19 966 |
11 Feb 2022 |
| Keith Moore |
Fifth year, Gryffindor |
10 429 |
16 May 2022 |
| Kyra Banuelos |
Fourth year, Slytherin |
2 259 |
15 Nov 2023 |
| Kaitlyn Connor |
Fourth year, Broom Racer, Prefect of Slytherin |
9 857 |
14 Jan 2024 |
| Kaito Foxglove |
Fourth year, Gryffindor |
57 |
10 Feb 2024 |
| Kiera Roseline |
Third year, Hufflepuff |
1 935 |
27 Feb 2024 |
| Kathleen O'Byrne |
First year, Hufflepuff |
27 |
11 Jan 2025 |
| Korinna Nightshade |
Third year, Ravenclaw |
1 073 |
3 Jun 2025 |
| Kiki Lopez |
First year, Ravenclaw |
49 |
14 Jun 2025 |
| Kanade Himura |
First year, Ravenclaw |
6 |
10 Oct 2025 |
| Kleine Bloom |
First year, Ravenclaw |
1 |
30 Oct 2025 |
| Kityara Dragonfang |
Second year, Ravenclaw |
9 |
19 Jan 2026 |
| Krishnavi Pavaskar |
First year, Ravenclaw |
41 |
7 Feb 2026 |
| Kennedy Cheek |
Second year, Hufflepuff |
885 |
25 Feb 2026 |
| Kira Orlova |
Second year, Beauxbâtons |
37 |
15 May 2026 |
| Kai Hepner |
First year, Ravenclaw |
143 |
27 May 2026 |