| 40 joueurs de l'Union ont eu l'honneur de défendre les couleurs de notre pays comme "Diable Rouge". | |||
| Nom | Années |
Caps |
Clubs |
| Paul Vandenberg | 1957-1967 | 38 | Union, Standard, Anderlecht |
| Jan Verheyen | 1965-1976 | 33 | Beerschot, Anderlecht, Union |
| Henri Dirickx | 1950-1960 | 29 | Union |
| Oscar Verbeeck | 1914-1924 | 27 | Union |
| Joseph Mush | 1911-1924 | 24 | Union |
| Jean Claesens | 1932-1936 | 21 | Union |
| Francois Demol | 1924-1927 | 19 | Union |
| Philibert Smellinckx | 1933-1934 | 19 | Union |
| Henri Leroy | 1908-1919 | 18 | Racing CB, Union |
| Edgard Poelmans | 1904-1911 | 16 | Union |
| Robert Coppee | 1919-1924 | 15 | Union |
| Joseph Thys | 1912-1919 | 15 | Union |
| Jacques Teugels | 1970-1976 | 13 | Union, Racing White, RWDM |
| Guillaume Vanden Eyne | 1904-1912 | 13 | Union |
| Georges Hebdin | 1908-1920 | 12 | Union |
| Emile Hanse | 1920-1926 | 11 | Union |
| Louis Van Hege | 1919-1924 | 11 | Union |
| Augustin Janssens | 1952-1956 | 9 | Union |
| Antoine Puttaert | 1944-1947 | 9 | Union |
| Roger Pierard | 1906-1909 | 8 | Union |
| Pierre Destrebecq | 1904-1906 | 7 | Union |
| Max Tobias | 1904-1908 | 7 | Union |
| Charles Vanderstappen | 1904-1907 | 5 | Union |
| André Vande Wijer | 1933-1934 | 5 | Union |
| Jules Pappaert | 1932-1934 | 4 | Union |
| Jacques Van Caelenvergh | 1935-1936 | 4 | Union |
| Gustave Vanderstappen | 1905-1908 | 4 | Union |
| Francois Van Den Eynde | 1932-1934 | 4 | Union |
| Theo Van Rooy | 1957 | 4 | Union |
| Felix Welkenhuyzen | 1934 | 4 | Union |
| Leon Close | 1957-1958 | 2 | Union |
| Sebastien Jacquemyns | 1955 | 2 | Union |
| Remy Vandeweyer | 1956 | 2 | Union |
| Alex Wigand | 1904-1906 | 2 | Union |
| Jean Claes | 1959 | 1 | Union |
| Julien Cnudde | 1924 | 1 | Union |
| Jack Romdenne | 1905 | 1 | Union |
| Vital Van Landeghem | 1932 | 1 | Union |
| Pierre Vergeylen | 1912 | 1 | Union |
| Pierre Weydisch | 1933 | 1 | Union |