Abel De Los Santos Mejía (born November 21, 1992) is a Dominican former professional baseball pitcher.

[1] After the 2014 season, the Rangers traded De Los Santos and Chris Bostick to the Washington Nationals for Ross Detwiler.

[2][3] De Los Santos began the 2015 season with the Harrisburg Senators of the Double–A Eastern League.

[6] De Los Santos appeared in two games for the Nationals, before they optioned him to Harrisburg on July 25.

On April 3, 2019, De Los Santos signed with the Brantford Red Sox of the Intercounty Baseball League.