Aleixo Corte-Real (1886 – May 1943), better known under the name of Dom Aleixo, was a Timorese chieftain (régulo) who served the Portuguese during World War II.

Dom Aleixo was born in Soro, Ainaro, Portuguese Timor. His birth name was Nai-Sesu. Corte-Real was the cousin of Nai-Cau, during the rebellion of Manufahi stood on the side of Portugal. Here Aleixo already fought 1911-1912 on the part of the Portuguese against Boaventura, the Liurai of Manufahi. Dom Aleixo become the Liurai of Ainaro after 1912. In 1931 he converted to the Catholic faith and was baptized.^[1] In 1934 he represented Portuguese Timor at the Grand Colonial Exhibition in Porto. In 1942, Japan occupied the island of Timor. Australia began organizing resistance efforts against the Japanese by recruiting and conscripting the local population. However, some Timorese groups like the Colunas Negras, collaborated with the Japanese and were involved in acts of violence against civilians during the later stages of the occupation. Dom Aleixo Corte-Real led a significant uprising against Japanese forces in 1943. After a major battle he was surrounded by members of the Colunas Negras and Japanese troops. A. Shortly afterward, Dom Aleixo and his family were executed, reportedly due to his continued loyalty to the Portuguese regime and the Portuguese flag.

On 30 October 1946 he was made Commander of the Military Order of Torre e Espada, of Valor, Loyalty and Merit posthumously.^[2] At the district headquarters in Ainaro a monument was erected to this Timorese hero that is still in good condition. The Dom Aleixo Administrative Post in the Dili Municipality was named in his honor. A series of banknotes of 2000$00, 50$00, 100$00, 500$00 and 1000$00 escudos from Portuguese Timor were printed with his image.

• Battle of Timor