塞沃利亚（西班牙语：Cebolla），是西班牙卡斯蒂利亚-拉曼恰托莱多省的一个市镇。总面积37平方公里，总人口2978人（2001年），人口密度80人/平方公里。

Cebolla is a Spanish municipality of Toledo province, in the autonomous community of Castile-La Mancha. Its population is 2,978 and it is 37 km², in area with a density of 80.5 people/km².

The mayor of Cebolla is Mr. Jesús Malta García, of the Partido Socialista Obrero. The Partido Socialista Obrero has 7 municipal councillors and the Partido Popular has 4. In the 2004 Spanish General Election the Partido Socialista Obrero got 52.8% of the vote in Cebolla, the Partido Popular got 43.5% and Izquierda Unida got 2.1%.