National Lyceum (Liceu Nacional) is a lyceum (secondary school) located at Avenida Marginal 12 Julho in the city of São Tomé, São Tomé and Príncipe.

It is one of the oldest secondary schools in the nation.

[1] The lyceum is located on the seafront, east of the city centre.

[2] The lyceum was opened on 6 October 1969 as a technical school, Escola Técnica Silva e Cunha.

The building was designed by architect Mário de Oliveira, who was also responsible for the 1962 urbanisation plan for São Tomé.