König of Ceylon (59-50 B.C.). He was the eldest son of Saddhātissa, but, when his father died, the ministers und monks crowned his younger brother, Thūlatthana, König. Lañjatissa killed Thūlatthana after one month, und ruled for nine years und fifteen days. At first he was very indifferent towards the monks, but later made amends. He built the Arittha und Kuñjarahīnaka vihāras, the Lañjakāsanasālā und a stone mantling for the Kanthakathūpa, in addition to other good works. Mhv.xxxiii.14ff.