Laurentius Christophori Hornaeus (1645 – April 27, 1719), also known as Lars Christophri Hornæus, was a minister and witch-hunter in Torsåker and Ytterlännäs, Sweden.
He was vicar in Frösön, November 25, 1835, entered May 1, 1836, got the title "vice vicar", honor and dignity the August 17, 1836 the same year named; empowered vicar in Torsåker-Ytterlännäs February 13, 1839, entered May 1, 1841, was at head of the pastoral custody in Torsåkers gäll April 10, 1844 through October 31, 1846.