Kathleen Mary Amelia Bliss (née Moore; 5 July 1908 – 13 September 1989) was an English theologian, missionary and official of the World Council of Churches (WCC).

[2][1] Upon her return to England, Bliss began working at the Christian News Letter, then managed by J. H. Oldham.

[1] In the 1940s and 1950s, Bliss served in various capacities in the WCC, an ecumenical organisation founded in 1948.

From 1967/8[3] to 1972, Bliss was a senior lecturer in religious studies at the University of Sussex.

[1] In addition to the published works listed below, Bliss prepared, but never finished, a book-length biography of J. H.