| Gustave Danneels | |
| Full Name: | Gustave Danneels |
| Birth Date: | 1913 9, df=yes |
| Birth Place: | Loos-en-Gohelle, France |
| Death Place: | Knokke, Belgium |
| Discipline: | Road |
| Role: | Rider |
| Majorwins: | Paris–Tours (1934, 1936, 1937) |
| Show-Medals: | yes |
Gustave Danneels (Loos-en-Gohelle, France, 6 September 1913 - Knokke, 13 April 1976) was a Belgian professional road bicycle racer. He is known for bronze medals in the 1934 and the 1935 UCI Road World Championships and his victories in Paris–Tours. When winning the 1936 edition of Paris-Tours Danneels was awarded the Ruban Jaune for recording the fastest time in a professional race.