Aleksander Lauréus, also Alexander Lauraeus, (4 January 1783 – 21 October 1823) was a Finnish painter.
Lauréus was born in Turku to Lovisa Ulrika and Alexander Laureus, a Doctor of Theology, and was named after his paternal grandfather.
In 1802 Laureus Turku Province Baron Olof Vibeliuksen lead a fundraising that raised 195 krones for a scholarship for Lauréus to attend the Royal Swedish Academy of Arts in Stockholm to study.
Director at the time was Lorens Pasch the Younger, and was taught by among others, Johan Tobias Sergel, Louis Masreliez, Carl Frederik von Breda and Pehr Hilleström.
He collected a 50 krone Drawing Prize, which allowed him travel home to Turku, and perhaps also to Åland.