| Spring Exhibition of the Cleveland Photographic Society | | April | 01 | 1917 | April | 8 | 1917 |
| German Woodcuts of the Early 16th Century | Link | April | 27 | 1972 | October | 08 | 1972 |
| Photos and Reproductions of Latin American Art | | April | 02 | 1945 | May | 25 | 1945 |
| Object in Focus: Christ Carrying the Cross 1971.5 | | April | 06 | 1999 | June | 06 | 1999 |
| 51st May Show--Annual Exhibition of Artists and Craftsmen of the Western Reserve | | April | 30 | 1969 | June | 16 | 1969 |
| Exhibition of the Month: Art is Long | | April | 14 | 1948 | June | 07 | 1948 |
| Portrait of John D. Rockefeller by John Singer Sargent | | April | 07 | 1918 | April | 28 | 1918 |
| The 60th Annual May Show | | April | 11 | 1979 | May | 13 | 1979 |
| Exhibition of Printed Silks Designed in the Mallison Studio | | April | 02 | 1931 | April | 20 | 1931 |
| 29th Annual Exhibition of Work by Cleveland Artists and Craftsmen [May Show] | | April | 30 | 1947 | June | 08 | 1947 |
| Paintings by Ignacio Zuloaga lent by the artist and various owners | Link | April | 03 | 1917 | April | 25 | 1917 |
| French 19th Century Painting | | April | 02 | 1945 | April | 22 | 1945 |
| Portrait of President [Woodrow] Wilson by John Singer Sargent | | April | 07 | 1918 | April | 28 | 1918 |
| East Indian Textiles (1931, 2) | | April | 15 | 1931 | October | 07 | 1931 |
| Lithographs of English Munitions Works by Joseph Pennell, lent by S.[almon] P. Halle [1] | | April | 09 | 1917 | April | 30 | 1917 |
| American 19th Century Painting | | April | 02 | 1945 | April | 22 | 1945 |
| Paintings by [George] Gardner Symons, James R. Hopkins, and Frederick C. Frieseke | | April | 07 | 1918 | April | 30 | 1918 |
| Object in Focus: \Ludovic Lepic Holding His Dog\ 1988.93 | | April | 19 | 1998 | July | 12 | 1998 |
| Alfredo Jaar | | April | 24 | 2017 | August | 06 | 2017 |
| 12th Annual Circuit Exhibition of the Ohio Watercolor Society | | April | 02 | 1937 | April | 21 | 1937 |
