Insley

Insley may refer to:


 * John Insley Blair (1802–1899), American entrepreneur, railroad magnate, philanthropist
 * Deborah Ann Insley Dingell (born 1953), Democratic Party politician
 * Earl Insley (1911–1958), American football coach and player
 * Jill Insley, financial journalist for The Sunday Times
 * Lawson Insley, 19th-century daguerreotyptist in Australia and New Zealand
 * Tere Insley, New Zealand Māori architect
 * Trevor Insley (born 1977), former American football wide receiver
 * Will Insley (1929–2011), American painter, architect, planner of utopian urban models
 * John Insley Blair Larned (1883–1955), suffragan bishop of the Episcopal Diocese of Long Island