Sir George Grey, 2nd Baronet, PC was a British Whig politician and a scion of the noble House of Grey. He held office under four Prime Ministers, Lord Melbourne, Lord John Russell, Lord Aberdeen, and Lord Palmerston, notably serving three times as Home Secretary for a collective 13 years.

Edward Grey, 1st Viscount Grey of Fallodon,, better known as Sir Edward Grey, was a British statesman and Liberal Party politician who was the main force behind British foreign policy in the era of the First World War.