Southwest Shewa (Oromo: Shawaa Kibba-Dhihaa/Lixaa) is one of the zones of the Oromia Region in Ethiopia.

This zone takes its name from the kingdom or former province of Shewa.

Towns in it include Waliso (the capital) and Tulu Bolo.

Based on the 2007 Census conducted by the Central Statistical Agency of Ethiopia (CSA), this Zone has a total population of 1,101,129, of whom 556,194 are men and 544,935 women.

The three largest ethnic groups reported in Southwest Shewa were the Oromo (87.08%), the Amhara (6.16%) and the Gurage (5.06%); all other ethnic groups made up 1.7% of the population.