Around the globe, Dilwyn (Dilwyn 
) is a rare boy's first name. The forename Dilwyn is characteristic of Northern Europe, particularly the United Kingdom, where it is a rare masculine name.
| VARIANT | COUNTRY |
|---|---|
| Dilwyn | United Kingdom, Spain, Philippines, United States, Canada |
| dilwyn horvat UK author (1956- ), GB (b. 1956) |
|
|
| dilwyn knox (b. 1949) |
|
Budd, Tasker, Thomas, Harris, Hughes, Roberts, Grubham, Jenkins, Tingzon, Edwards, Harries, Howells, Walters, Watkins, Phillips, Reynolds, Gruffydd, Williams, Pritchard, Davenport, Griffiths, Hardwidge, Gurney, Davies, Rogers, Morgan, Rees, Lear, John, Eden, Hunt, Volk, Owen, Scott, Smith, Baker, Faircloth, Bowen, Price, Davey, Duree, Green, Lewis, Lloyd, James, Jones, Evans, Morris, Parry, and Sanderson-Jones