Alejandro Leonel Williams Cordero (born 28 October 1969) is a dentist and politician from the Dominican Republic.

Williams has a doctorate in medicine from the Universidad Central del Este; thereafter he migrated to the United States and opened a dental clinic in The Bronx.

[3] In 2009, close to the end of his tenure, Williams found himself in a controversy over his poor attendance to the Senate's sessions.

[5] Also, Williams was being subject to investigations in the United States due to an alleged Medicare fraud;[6][7] the opposition called for an impeachment to remove him from office.

[10] Williams was the candidate for senator of San Pedro de Macorís for the Independent Revolutionary Party (PRI) in 2010.