1999–2000 Segunda Liga

The 1999–2000 Segunda Divisão de Honra season was the tenth season of the competition and the 66th season of recognised second-tier football in Portugal.

Overview
The league was contested by 18 teams with FC Paços de Ferreira winning the championship and gaining promotion to the Primeira Liga along with SC Beira-Mar and CD Aves. At the other end of the table Moreirense FC, AD Esposende and SC Covilhã were relegated to the Segunda Divisão.