Llangelynnin (Welsh pronunciationⓘ; also Llangelynin) is a small village and community near Tywyn, Gwynedd, Wales.

[3] The interior of the church includes 17th-century wall paintings with texts and a skeletal figure.

[3] Richard Haslam, Julian Orbach and Adam Voelcker, in their Gwynedd volume of the Buildings of Wales series, call it "one of Caernarvonshire's least disturbed interiors".

[5] Llangelynnin sits on a slope above Cardigan Bay to the north of Tywyn.

The poet and scholar John Morgan was born in the village and Abram Wood, a famous Welsh gypsy, was buried there in 1799.