Viscount Lake, of Delhi and Laswary and of Aston Clinton in the County of Buckingham, was a title in the Peerage of the United Kingdom. It was created in 1807 for the prominent soldier Gerard Lake, 1st Baron Lake. He was Commander-in-Chief of India from 1801 to 1805 and from 1805 to 1807. Lake had already been created Baron Lake, of Delhi and Laswary and of Aston Clinton in the County of Buckingham, in 1804, also in the Peerage of the United Kingdom. The titles became extinct on the death of the third Viscount in 1848.