This list is by no means exhaustive. If the details of an exhibtion are underlined please open the link to access further information.

Solo Exhibitions

1957 - AIA Gallery, London
1958 - Drian Gallery

1961 - Waddington Galleries, London
1962 - Redfern Gallery, London
1962 - Devorah Sherman Gallery, Chicago
1963 - Bianchini Gallery, New York
1967 - Arnolfini Gallery, Bristol
1968 - Richard Demarco Gallery, Edinburgh
1969 - Marjorie Parr Galleries, London

1971 - Marjorie Parr Galleries, London
1972 - Oxford Gallery, Oxford
1973 - National Museum, Malta
1973 - Compass Gallery, Glasgow
1973-1979 - British Council Touring exhibition: Malta, Cyprus, Greece, Yugoslavia, Malaysia, Indonesia, New Zealand and Korea.
1974 - Cit Art Gallery, Plymouth
1974 - Oxford Gallery, Oxford
1975 - Marjorie Parr Galleries, London
1977 - Alwin Gallery, Grafton Street, London
1978 - Festival Gallery, Bath
1979 - Glynn Vivian Art Gallery, Swansea

1985 - Newlyn Art Gallery
1986 - Crane Kalman Gallery, London
1987 - Gillian Jason Gallery, London

1990 - Gillian Jason Gallery, London
1992 - 'Drawings, Paintings, Sculpture 1932 - 1992, Penwith Galleries, St Ives, Cornwall
1992 - Falmouth Art Gallery
1992 - New Ashgate Gallery, Farnham
1993 - Flowers East Gallery, London
1993 - Kettles Yard, Cambridge
1993 - Gardener Arts Centre, University of Sussex
1994 - Glynn Vivian Art Gallery, Swansea

2005 - Tate St Ives
2007 - Flowers Central Gallery, London
2023 - The Artist Card, Peniwth Gallery, St Ives

Group exhibitions

1948 - Castle Inn, St Ives. Joint exhibition with Tom Early
1949 - Penwith Society of Artists

1951 - Fifteen artists and craftsmen from St Ives. Heal's Mansard Gallery, London and Abstract Art AIA Gallery.
1951-52-53-54 - Fitzroy Street, London. Abstract Painting and Sculpture Exhibition.
1952 - Mirror and Square Exhibition (In conjunction with the South Bank - Burlington Galleries, London)
1955 - Heal & Son Ltd, London. Exhibition of Abstract Design by Thirteen artists in collaboration with Porthia Prints.
1958 - Drian Gallery, London. '4 Sculptors, 2 Painters'. Roger Leigh, Gwen Leitch,Denis Mitchell, Misome Piele, Bruce Taylor, Brian Wall.

1962 - Contemporary British Sculpture, Arts Council Touring Exhibition. Robert Adams, Kenneth Armitage, Lynn Chadwick, Siegfried Charoux, Georg Ehrlich, Elisabeth Frink, George Fullard, Anthony Hatwell, Barbara Hepworth, John Hoskin, F.E.McWilliam, Bernard Meadows, Denis Mitchell, Henry Moore, Leslie Thornton, Brian Wall.
1963 - Mixed Summer Exhibition, Penwith Gallery, St Ives
1963 - AIA Gallery, London
1966 - Marjorie Parr Gallery, London. Small Sculpture mixed.
1967 - Marjorie Parr Gallery, London. Breon O'Casey Paintings and Reliefs, Denis Mitchell Sculpture.
1967 - Marjorie Parr Gallery, London. Small Sculpture mixed.
1967 - Queen Square Gallery, Leeds. Willis Ainley, June Barrington Ward, Malcolm Hughes, Kim Lim, Denis Mitchell, Edwin Williams.
1969 - Sorbus, Marlborough. 'Sculpture in a Landscape'. Robert Adams, Tom Bates, Hubert Dalwood, Warren Davis, John Hoskin, Justin Knowles, Christopher Lane, Roger Leigh, Denis Mitchell, Henry Moore, Nicholas Munro, William Pye, Peter Startup, George Stephenson, Peter Thursby, Brian Wall, Richard Willis, Austin Wright.
1969 - 10th Biennale Middleheim, Antwerp

1970 - Sheviock Gallery, Sheviock, Nr. Torpoint, East Cornwall. Exhibiting with Bryan Illsley, Breon O'Casey and John Wells.
1971-1972 - Selection from the Arts Council collection by Bryan Robertson, touring exhibition
1971 - Art Spectrum South, London
1973 - National Museum, Malta. Denis Mitchell and Misome Peile.
1975 - Penwith Gallery, St Ives. Mixed Member Show.
1975 - City Art Gallery, Plymouth. Alexander MacKenzie, Denis Mitchell, John Wells
1976 - Three Sculptors, Newlyn Art Gallery.

1882 – 40 Years of British Sculpture. British Council Touring Exhibition 1982 to 1994. Venues Ukraine, Kyiv. Lithuania, Vilnius, Palace of Art. Riga, Museum of Western European Art. Estonia, Tallinn, Art Museum of Estonia. Canada, Lethbridge, Alberta, Southern Alberta Art Gallery. Canada, Red Deer, Alberta, Red Deer District Museum. Canada, London, Ontario, Regional Art and Historical Museum. Philippines, Manila, Metropolitan Museum. New Zealand. Cyprus, Heraklion, Heraklion. Botswana, Gaborone, British Council Office – Gaborone. Egypt, Cairo, Cairo. Greece, Athens, British Council Office – Athens. Yugoslavia, Sarajevo, Collegium Artisticum Gallery. Turkey, Turkey. Yugoslavia, Novi Sad, Novi Sad City Museum. Slovenia, Ljubljana, Moderna Galerija. Yugoslavia, Zagreb, Zagreb City Art Gallery. Yugoslavia, Skopje, Museum of Contemporary Art. Yugoslavia, Belgrade, Museum of Contemporary Art. South Africa, South Africa. Zimbabwe, Harare, National Gallery of Zimbabwe. Jordan, Amman, Jordan National Gallery
1985 - Tate Gallery, London. St Ives 1939 - 64. Twenty Five Years of Painting, Sculpture and Pottery.
1985 - Newlyn Art Gallery
1987 - Looking West. Newlyn Art Gallery, group touring show
1989 - Berkeley Square Gallery, London. 'St.Ives - Newlyn'. Terry Frost, Denis Mitchell, Tony O'Malley
1989 - A Century of Art in Cornwall 1889 - 1989

1992 - Royal West of England Academy, Bristol. 'Artists from Cornwall'
1991 - Gordon Hepworth Gallery, Devon. 'Western Approaches'. Denis Mitchell, Julian Dyson, Simon Averil, Martin Lanyon.
1993 - Tate St Ives, inaugural show.
1994-96 - British Council Touring Exhibition. 'A Changing World, Fifty Years of Sculpture from The British Council Collection. Venues 18 Oct 94 - 21 Nov 94 Russia, St Petersburg, The Russian Museum
8 Apr 95 - 28 May 95 Russia, Moscow, New Tretyakov Museum. 27 Jun 95 - 30 Sep 95 Czech Republic, Prague, Riding Hall, Prague Castle. 10 Jan 96 - 14 Mar 96 Morocco, Casablanca, Espace Wafabank. 21 Apr 96 - 02 Jun 96 Germany, Essen, Folkwang Museum
1995 - 48th Aldeburgh Festival of Music and the Arts. Denis Mitchell and Patrick Heron.
1995 - Newlyn Art Gallery, Newlyn, Cornwall
1996 - Penwith Galleries, St Ives, Cornwall. 'The Rock and the Light' Denis Mitchell and Tom Early
1997 - Bridge Gallery, Dublin, Ireland. Denis Mitchell and Friends. Denis Mitchell, Conor Fallon, Nancy Wynne-Jones, Breon O'Casey, Jane O'Malley, Tony O'Malley.
1999 - Belgrave Gallery, St Ives. St Ives, the Modern Movement.

2004 - The Winchester Gallery, Winchester School of Art. Works from the George and Ann Dannatt Collection.
2008 - Glynn Vivian Art Gallery, Swansea. Friends of Glynn Vivian 50th Anniversary show.
2011 - British Sculpture. Flowers Gallery, London.
2012 - St Ives Exhibition. Belgrave Gallery, St Ives (Paintings and Print)
2013 - St Ives Exhibition. Belgrave Gallery, St Ives (Paintings)
2014 - St Ives Exhibition. Belgrave Gallery, St Ives (Paintings)
2014 - Tom Early and Friends. Falmouth Art Gallery, Falmouth, Cornwall
2015 - George Dannatt and Friends, Osborne Samuel, London.
2016 - St Ives Exhibition. Belgrave Gallery, St Ives (Sculpture)
2024 - Porthia Prints. Penwith Gallery, St Ives