Henry Edmund Butler, 14th Viscount Mountgarret (18 December 1844–2 October 1912) was a British aristocrat.
He was the son of Henry Edmund Butler, 13th Viscount Mountgarret and inherited the viscountcy on his death in 1900.
He served as High Sheriff of Yorkshire in 1895. In 1911 he was created Baron Mountgarret of Nidd Hall in the West Riding of Yorkshire in the United Kingdom, thus enabling him and his descendants to sit in the House of Lords until the passage of the House of Lords Act 1999.
Lord Mountgarret married twice. His first marriage was in 1868 to Mary Charlton, who died in 1900. They had four children:
Mountgarret married Robina Hanning-Lee in 1902. They had one child:
| Peerage of Ireland | ||
|---|---|---|
| Preceded by Henry Butler |
Viscount Mountgarret 1900–1912 |
Succeeded by Edmund Butler |
| Peerage of the United Kingdom | ||
| Preceded by New creation |
Baron Mountgarret 1911–1912 |
Succeeded by Edmund Butler |