| Conquest of Light | |
| Director: | Louis Marcus |
| Studio: | Louis Marcus Productions |
| Runtime: | 11 minutes |
| Country: | Ireland |
| Language: | English |
Conquest of Light is a 1975 Irish short documentary film directed by Louis Marcus. Its subject is workers at the Waterford Crystal factory.[1] At the 48th Academy Awards, it received a nomination for Best Live Action Short Film.[2]