| St. Xavier's Boys' College | |
| Motto: | Fortes in fide |
| Motto Translation: | Strong in faith |
| Streetaddress: | Main Street |
| City: | Mannar, Mannar District |
| Province: | Northern Province |
| Country: | Sri Lanka |
| Pushpin Map: | Sri Lanka Mannar |
| Pushpin Map Caption: | Location in Mannar |
| Pushpin Label Position: | right |
| Schooltype: | 1AB |
| Type: | Public national |
| District: | Mannar Education Zone |
| Authority: | Ministry of Education |
| Schoolnumber: | 1201002 |
| Principal: | Rev.Bro.Santhiyagu(fsc) |
| Principal Label: | Principal |
| Teaching Staff: | 68 |
| Grades: | 1-13 |
| Gender: | Boys |
| Age Range: | 6-19 |
| Language: | Tamil, English |
| Roll: | 2,087 |
St. Xavier's Boys' College is a national school in Mannar, Sri Lanka.[1] [2]