← 1822 1821 1820 1823 in Portugal → 1824 1825 1826
Centuries:	17th 18th 19th 20th 21st
Decades:	1800s 1810s 1820s 1830s 1840s
See also:	List of years in Portugal

Events in the year 1823 in Portugal.

Incumbents

• Monarch: John VI

Events

Births

• 2 May – José Vicente Barbosa du Bocage, zoologist and politician (d. 1907).

• 15 June – Augusto Carlos Teixeira de Aragão, Army officer, doctor, numismatist, archaeologist and historian (d. 1903).

• 3 August – Henrique O'Neill, 1st Viscount of Santa Mónica, writer, jurist and politician (d. 1889).

Deaths

• 11 September – José Correia da Serra, Abbot, polymath, philosopher, diplomat, politician and scientist (b. 1750 or 1751).^[1][2]