| Coteau Holmes | |
| Settlement Type: | Unincorporated community |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Louisiana |
| Subdivision Type2: | Parish |
| Subdivision Name2: | St. Martin |
| Population Density Km2: | auto |
| Timezone1: | CST |
| Utc Offset1: | -6 |
| Timezone1 Dst: | CDT |
| Utc Offset1 Dst: | -5 |
| Area Code: | 337 |
Coteau Holmes is an unincorporated community in St. Martin Parish, in the U.S. state of Louisiana. LA 679 passes through the community. The nearest major town is Loreauville. It is part of the Lafayette Metropolitan Statistical Area.