Kennelly is a surname. Notable people with the surname include:
Ardyth Kennelly (1912–2005), American novelist Arthur E. Kennelly (1861–1939), American engineer Barbara B. Kennelly (born 1936), Connecticut Representative Brendan Kennelly (1936–2021), Irish poet and novelist Ian Kennelly (born 2001), American football player Jerry Kennelly, Irish photojournalist, founder of Stockbyte and Tweak.com Joan Kennelly (died 2007), Irish photojournalist Keala Kennelly (born 1978), American surfer Martin H. Kennelly (1887–1961), mayor of Chicago Matt Kennelly (Mathew Luke Kennelly; born 1989), Australian baseball player Matthew F. Kennelly (born 1956), Federal District Court Judge in Illinois Michael Kennelly (1914–2011), American Jesuit Catholic priest, President of the Loyola University New Orleans (1970–1974) Noel Kennelly (born 1979), Irish Gaelic football player Pádraig Kennelly (1929–2011), Irish journalist, editor and photographer Pat Kennelly (1900–1981), Australian politician Paul Kennelly (born 1947), Australian rules footballer Richard Kennelly (born 1965), American Olympic rower Ryan Kennelly (born 1974), American powerlifter Sheila Kennelly (born 1927), Australian actress Tadhg Kennelly (born 1981), Irish Gaelic football player Tim Kennelly (1954–2005), Irish Gaelic football player Tim Kennelly (baseball) (born 1986), Australian baseball player
See also Kennelly–Heaviside layer, a layer of the Earth's ionosphere Kenneally (disambiguation)