2018 Campeonato Nacional Primera B
The 2018 Primera B de Chile, known as the 2018 Campeonato Loto for sponsorship purposes, was the 65th season of Chile's second-tier football league. The competition began on 2 February 2018 and ended on 1 December 2018. Coquimbo Unido were the champions.
Format
The tournament was played by 16 teams which played each other twice, for a total of 30 matches. The team that finished in first place at the end of the round-robin tournament earned promotion to the Campeonato Nacional for the 2019 season. Meanwhile, the teams finishing from second to sixth place played in a playoff tournament for the second promotion berth, with the season runners-up having a bye to the final. The team finishing in bottom place at the end of the season was relegated to the Segunda División Profesional.Teams
Stadia and locations
Promotion playoff
Quarterfinals
----Santiago Wanderers won 6–1 on aggregate.
''Cobresal won 4–3 on aggregate.''
Semifinals
----''Cobresal won 4–3 on aggregate.''
Finals
----''Cobresal won 4–3 on aggregate and earned promotion to the Primera División.''
Top goalscorers
| Rank | Name | Club | Goals |
| 1 | ![]() |
