Karl Martin Lönnebo (27 February 1930 – 26 April 2023) was a Swedish clergyman who served as Bishop of the diocese of Linköping from 1980 to 1994.

degree on his doctoral dissertation Albert Schweitzers etisk-religiösa ideal.

[3] He worked as a pastor and chaplain in Uppsala for a number of years, and was appointed Provost (domprost) of Härnösand in 1977.

Lönnebo also wrote a number of books on religious life, many of them inspired by the spiritual traditions of northern Sweden, as well as by Eastern Christianity.

[4] In 1995, Lönnebo created the Wreath of Christ, a set of non-denominational prayer beads with 18 pearls to be used for meditation and devotional practices.