1990 in São Tomé and Príncipe

The following lists events that happened during 1990 in the Democratic Republic of São Tomé and Príncipe.

← 1989 1988 1987 1990 in São Tomé and Príncipe → 1991 1992 1993
Decades:	1970s 1980s 1990s 2000s 2010s
See also:	Other events of 1990 Timeline of Santomean history

Incumbents

• President: Leonel Mário d'Alva (acting)
• Prime Minister: Celestino Rocha da Costa

Events

• May: politician Miguel Trovoada returned to São Tomé and Príncipe from exile in France
• 22 August: A Constitutional referendum took place, it became a multi-party democracy
• October: at the MLSTP party Congress, Carlos Graça was appointed as the new Secretary-General of the party. In addition, the party's name was amended to the Movement for the Liberation of São Tomé and Príncipe/Social Democratic Party (MLSTP/PSD).
• 4 November: the Democratic Convergence Party – Reflection Group (PCD-CR) was founded

Sports

• GD Os Operários won the São Tomé and Príncipe Football Championship