| Ionawr | Chwef | Maw | Ebr | Mai | Meh | Gorff | Awst | Medi | Hyd | Tach | Rhag |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 |
30 |
31 |
Ym mis Ionawr, ganwyd neu bu farw nifer o bobl bwysig i gynhyrchiad Doctor Who.
| Degawd | Blwyddyn | Person |
|---|---|---|
| 1930au | 1935 | Ganwyd David Brierley. |
| 1980au | 1980 | Bu farw Scott Simon. |
| 1981 | Bu farw Esmond Webb. | |
| 1990au | 1997 | Bu farw Geoff Meldrum. |
| 1999 | Bu farw Edward Dentith. | |
| 2000au | 2004 | Bu farw Stephen Hubay. |
| 2010au | 2019 | Bu farw Tex Childs. |
| 2020au | 2021 | Bu farw Mary McMillan. |
| 2022 | Bu farw John Hogan. |