The Unlawful Drilling Act 1819 (60 Geo 3 & 1 Geo 4 c 1), also known as the Training Prevention Act is an Act of the Parliament of the United Kingdom. It was one of the Six Acts passed after the Peterloo massacre. This Act was excluded by article 54(4) of S.I. 1981/155 (N.I. 2), and by article 49(4) of S.I. 2004/702 (N.I.), and saved on 27 August 1991 by sections 32(4) and 69 of the .