| Competition: | Campeonato Profesional |
| Season: | 1955 |
| Winners: | Independiente Medellín (1st title) |
| Matches: | 135 |
| Total Goals: | 507 |
| League Topscorer: | Felipe Marino (22) |
| Biggest Home Win: | Atlético Nacional 7–0 Cúcuta Deportivo |
| Biggest Away Win: | Deportivo Cali 0–4 Boca Juniors Deportivo Cali 0–4 Atlético Quindío Cúcuta Deportivo 0–4 Medellín Deportes Tolima 0–4 Millonarios |
| Highest Scoring: | Atlético Nacional 5–4 Atlético Quindío |
| Prevseason: | 1954 |
| Nextseason: | 1956 |
The 1955 Campeonato Profesional was the eighth season of Colombia's top-flight football league. 10 teams compete against one another and played each weekend. Independiente Medellín won the league for 1st time in its history after getting 44 points. Atlético Nacional, the defending champion, was 2nd with 39 points.
10 teams competed in the tournament: Atlético Manizales was dissolved and Unión Magdalena was penalized for withdrawing the previous championship,[1] [2] while Cúcuta Deportivo return to the tournament and Deportes Tolima debuted.[3] Independiente Medellín won the championship for first time.
Every team played three games against each other team, one at home, one away and the other one at the stadium of the team that was economically worse. Teams received two points for a win and one point for a draw. If two or more teams were tied on points, places were determined by goal difference. The team with the most points is the champion of the league.
| Rank | Name | Club | Goals | |
|---|---|---|---|---|
| align=center | 1 |  Felipe Marino | Independiente Medellín | 22 |
| align=center | 2 |  Jorge Roa | Millonarios | 21 |
| align=center | 3 | Fernando Rengifo | Boca Juniors | 20 |
| align=center | 4 | Alfredo Castillo | Millonarios | 17 |
| align=center | 5 | Humberto Álvarez | Atlético Nacional | 16 |
| align=center | 6 | Orlando Larraz | Independiente Medellín | 14 |
| 7 |  Juan Carlos Toja | Atlético Nacional | 13 | |
 Casimiro Ávalos | Deportes Tolima | 13 | ||
| 9 | Alejandrino Genes | Atlético Quindío | 12 | |
| Roberto Urruti | Atlético Quindío | 12 |
Source: RSSSF.com Colombia 1955