| St.Lucia's College | |
| Motto: | Pro Deo et Patria |
| Motto Translation: | For God and Native Land |
| Established: | 1880 |
| Location: | Kotahena, Colombo 13 |
| Coordinates: | 6.9487°N 79.8645°W |
| Pushpin Map: | Sri Lanka Colombo District |
| Pushpin Map Caption: | Location in Colombo District |
| Pushpin Label Position: | right |
| Type: | Roman Catholic College |
| Gender: | Boys |
| Founder: | Rev. Fr. Thomas Cardinal Cooray |
| Grades: | 1 to 11 Local Syllabus |
| Medium: | Sinhala, Tamil |
| Principal: | Mr Ruwan |
| Staff: | 56 |
| Lower Age: | 6 |
| Upper Age: | 16 |
| Pupils: | 1100 |
| Colours: | Maroon & White |
St. Lucia's College (commonly known as St. Lucia's or Lucia's) is a Roman Catholic school located in Kotahena area of Colombo, Sri Lanka. This school was founded in 1880 and it is a Government School, managed by Ministry of Education (Sri Lanka), which provides primary and secondary education.
The School Motto both "Pro Deo et Patria" written in Latin phrase and "मेरा देवाय स स्वदेशाय।" (Swa devvaya sa swadeshaaya) written in Sanskrit phrase having same meaning as "For God and Country".
The school has Sinhala and Tamil mediums for Grade 1 to Grade 11 students. Recently the school is planning to start A/L classes.