Sienra can refer to:

• A beach town in Asturias, Spain: San Pelayo de Sienra
• A large family that originated in Spain that emigrated to other areas of the world, especially Uruguay.

Some notable members of this family include:

• China Zorrilla, Uruguayan actress
• José Luis Zorrilla de San Martín, Uruguayan sculptor
• Adolfo Garcia de la Sienra
• Vera Sienra, Uruguayan singer.
• Rodolfo Sienra, President of the Club Nacional de Futbol soccer team, 1983-1985.
• Luis Casaravilla Sienra, well-known tango musician, friend of Carlos Gardel.
• Gisel Silva Sienra, semi-finalist in Miss World 1988 representing Uruguay.
• Rafael Carmelo Sienra Calzada, UruguayMúsico - Cantautor, Diseñador para Internet
• [https://web.archive.org/web/20081102065322/http://www.chefjuan.com.ar/ Juan Manuel Sienra - Chef Argentino ]

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