Jusélius Mausoleum (Finnish: Juséliuksen mausoleumi) is one of the most famous sights in Pori, Finland, at the Käppärä Cemetery (est.

The mausoleum was built by local businessman Fritz Arthur Jusélius (1855–1930) for his daughter Sigrid (1887–1898) to be her last place of rest.

The sarcophagus is made of white Italian marble and designed by architect Jarl Eklund.

[5] The famous Finnish artist Akseli Gallen-Kallela painted the interior, including frescoes "Kevät" (Spring), "Rakennus" (Construction), "Tuonelan joella" (By the River of Tuonela), "Hävitys" (Destruction), "Talvi" (Winter) and "Syksy" (Autumn).

[2] The door of the building is made of bronze; it was constructed by Finnish sculptor Alpo Sailo.