1980
Hallazgos, Teatro Mella, La Habana, Cuba

1982
Blanco y Negro, Galería Galiano, La Habana, Cuba

1985
Calcografías y Litografías, Galería Habana, La Habana, Cuba
Calcografías, Casa del joven talento, Berlín, Alemania
Calcografías, Club impulso, Berlín, Alemania
Galería Academia de Artes Plásticas, Varsovia, Polonia

1986
Pinturas y grabados, Museo de Santa Clara, Cuba

1989
Poder y Existencia, Castillo de la Real Fuerza, La Habana, Cuba

1990
Nature Vivante, Le Cercle Lucas Carlton, Paris, Francia

1992
Humberto Castro Peintures, Le Monde de L’Art, Paris, Francia
Temporalidad y el Teatro del cuerpo, Ambrosino Gallery, Miami, Florida
New Works, Le Monde de L’Art, Paris, Francia
Paintings and drawings, Espace CIO, Limousin, Francia

1993
L’envol d’Icare, Le Monde de L’Art, Paris, Francia
Temporalidad y el Teatro del cuerpo, Centro de Arte Euro-Americano, Caracas, Venezuela
Art Chicago Fair, Ambrosino Gallery, Chicago
Art Miami Fair, Ambrosino Gallery, Miami Beach Convention Center, Miami Beach, Florida

1994
Erótica (performance), Ambrosino Gallery, Miami, Florida
Minotauro, Galerie Got, Barbizon, Francia

1995
Le Radeau de Ulises, Le Monde De L’Art, Paris, France
Minotaur in His Labyrinth: Seven Forms of Escape, Seven Forms of Entrapment, Ambrosino Gallery, Miami, Florida
Minotauro en su Laberinto: Siete Formas de Encierro, Siete Formas de Escape, Galería Nina Menocal, Mexico City, Mexico
Minotauro, Galería Corinne Timsit, San Juan, Puerto Rico
Art Chicago Fair, presented by Ambrosino Gallery, Chicago
Art Miami Fair, presented Ambrosino Gallery, Miami Beach Convention Center, Florida

1996
Minotauro en su Laberinto, National Gallery of Jamaica, Jamaica
Galerie Got, Barbizon, France

1997
Le Monde de L’Art, Paris, France
Pan American Gallery, Dallas, Texas
Madrid Art Fair Arco’97, represented by Le Monde de L’Art, Madrid, Spain

1998
Retrospective exhibition 1989-1998, Chapelle de Jésuites, Nîmes, France
Paintings and drawings, Sicardi-Sanders Gallery, Houston, Texas

1999
Traversée (in memory of his friend and art dealer Raphael Doueb,) Le Monde de L’Art, Paris
New Works, Galerie Got, Barbizon, France
New Works, Galerie Fardel, Le Touquet, France

2000
Galerie Got, Saint Paul de Vence, Francia
Galerie Fardel, Le Touquet, Francia
Humberto Castro The Paris Years: 1989-1999, Museum of Art in Fort Lauderdale, Florida

2002
Fuga, Ambrosino Gallery, Miami, Florida

2003
Main in Detresse, Mosquera Orthodontics, Miami, Florida
The Hunter, the House and the Bait, Kendall Campus Art Gallery, Miami Dade College, Miami, Florida

2004
Humberto Castro, Panamerican Art Gallery, Dallas, Texas

2006
Humberto Castro: Paintings and Drawings 1990-2005, ArtSpace/Virginia Miller Galleries, Coral Gables, Florida

2007
Humberto Castro - paintings, Naomi Silva Gallery, Atlanta, Georgia

2008
Humberto Castro: Contemporary Fables, ArtSpace/Virginia Miller Galleries, Coral Gables, Florida
Humberto Castro: New Cities, Allen Sheppard Gallery, Nueva York

2009
Pies secos pies mojados, Museo de las Américas, Cuartel de Ballajá, Viejo San Juan Puerto Rico

2010
Draw-Wings: A Retrospective 1990-2010, Cremata Gallery, Miami, Florida
Traces of Migrations, ArtSpace/Virginia Miller Galleries, Coral Gables, Florida