John Slagg (junior) (24 Oct 1837 – 7 May 1889) was a British businessman and Liberal politician.
He was the eldest son of John Slagg, a justice of the peace at Manchester, and his wife Jane née Crighton.
His friend, Anti Corn Law campaigner Richard Cobden was his son's godfather.
[1] John Slagg died at his Mayfair, London home in May 1889, aged 51.
This article about a Liberal Member of the Parliament of the United Kingdom representing an English constituency is a stub.