Holy Trinity Sloane Street (The Church of the Holy and Undivided Trinity with Saint Jude, Upper Chelsea, sometimes known as Holy Trinity Sloane Square) is a London Anglican parish church, built in 1888-90 at the south-eastern side of Sloane Street to a striking Arts & Crafts design by the architect John Dando Sedding at the cost of the 5th Earl Cadogan, in whose London estate it lay.