Lammas is a Christian holiday.

Lammas may also refer to:

Lammas Ecovillage, a Welsh off-grid ecovillage Lammas growth, a second period of shoot growth in trees that occurs in summer Lammas School, a British secondary and sixth form school Lammas Night, a WW2 themed fantasy novel Lammas green, a housing estate in London Ould Lammas Fair, an annual regional fair Lammas Limited, manufacturer of motor cars

See also

Lamas (disambiguation) Lamma (disambiguation)