Edward Charles Grenfell, 1st Baron St Just (29 May 1870–26 November 1941), was a British banker and politician.
His father, Henry Riversdale Grenfell, was Governor of the Bank of England between 1881 and 1883. William Grenfell, 1st Baron Desborough, was his first cousin.
In 1904 Grenfell became a partner in the firm of J. S. Morgan & Co., later renamed as Morgan, Grenfell & Co. to reflect his position. He was a director of the Bank of England from 1905 to 1940.
Grenfell was Unionist Member of Parliament for the City of London from 1922 until 1935, when he was raised to the peerage as Baron St Just, of St Just in Penwith in the County of Cornwall. Lord St Just died in November 1941, aged 71, and was succeeded in the barony by his son Peter George Grenfell.
| Parliament of the United Kingdom | ||
|---|---|---|
| Preceded by Sir Frederick Banbury Arthur Balfour |
Member of Parliament for City of London 1922 – 1935 With: Sir Frederick Banbury 1922–1924 Sir Thomas Vansittart Bowater 1924–1935 |
Succeeded by Sir Thomas Vansittart Bowater Sir Alan Garrett Anderson |
| Peerage of the United Kingdom | ||
| New creation | Baron St Just 1935 – 1941 |
Succeeded by Peter George Grenfell |