Surname Tugdual (Tugdual 
) , across the world, is a very rare cognomen. The last name Tugdual is habitual in France, where it is a very rare surname, Colombia, and Germany, where it is an extremely rare surname. More frequently, Tugdual is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tugdual | Germany, Colombia, United States, France, Brazil |
Le, Thomas, Helion, Huaume, Fleury, Serrure, Blancho, Pezennec, Prigent, Delisle, Debethune, Dunoyer, Dufrien, Laudrain, Jaffré, Nicolas, Pelleter, Peucheret, Guillard, Guillouche, Leclercq, Chatrousse, Lamacq, Dieuleveult, Launay, Gauter, Rio, Maze, Savi, Bird, Paul, Huet, Arzul, Augré, Caron, Bassi, Bosvy, Robic, Denis, Jouan, Magré, Morice, Morvan, Millet, Briand, Riou-Nivert, Daniel, Gestin, and Vieillard-Baron