Henry William Lett

Henry William Lett (4 December 1836, Hillsborough, County Down – 26 December 1920, Aghaderg)  was an  Irish  botanist who specialised in mosses.

Lett was educated at Trinity College. He was Canon of Dromore and a Member of the Belfast Natural History Society and a Member of the Royal Irish Academy.

Works
The most significant are
 * Lett, H. W. 1912. Musci and Hepaticae. Clare Island Survey, parts 11, 1Z: Proc. Roy. Irish Acad., 13, 1–18.
 * Lett, H. W. 1915. Census Report on the Mosses of Ireland. Proc. Roy. Irish Acad., 32, B, 65–166.