Caleb Althin (1866–1919) was a Swedish painter, illustrator, and art teacher.

During that time, he received some art lessons from the court curator, Edvard Perséus.

[1] From 1885 to 1892, he was a student at the Royal Swedish Academy of Arts, although he spent the years 1889 to 1891 abroad, to study decorative painting in Paris with Pierre-Victor Galland.

[2] He continued to teach freehand and figure drawing at other schools; notably at the "Technical School for Female Students", a division of the University of Arts, Crafts and Design.

He remarried in 1912, to Matilda Forsström (1883-1924), the daughter of a court clerk.