Johan Jakob (or Jacob) Borelius (27 July 1823 – 1909) was an influential professor of theoretical philosophy at the University of Lund, Sweden from 1866-1898.
He has been called "The Last Swedish Hegelian."
Borelius was born in Skinnskatteberg.
He obtained his doctorate from Uppsala University in 1848, afterward becoming a teacher in Kalmar.
while he continued his studies under Christopher Jacob Boström.
His overall philosophy is laid out in his work Metafysik (metaphysics).
Borelius is mentioned in a footnote of Jorge Luis Borges' short story "Three Versions of Judas."