Arthur ap Gwynn | |
|---|---|
| Born | 4 November 1902 Caernarfon, Wales, UK |
| Died | 10 December 1987 Aberystwyth, Wales, UK |
| Occupation | Librarian |
| Employer | University College of Wales |
| Spouse | Catherine Eluned Gwynn (married 1933) |
| Father | Thomas Gwynn Jones |
Arthur ap Gwynn (1902–1987) was the third librarian at the University College of Wales and an editor.