Dayán Viciedo Pérez (born March 10, 1989)[3] is a Cuban professional baseball infielder who is a free agent.

Viciedo entered Cuba's National Series at age 15 for Villa Clara,[4][5] and was often compared to Cuban legend Omar Linares, his idol.

[8] Viciedo was selected to Cuba's provisional 60-player roster for the 2006 World Baseball Classic,[7] but was not included in the final team.

In his first Major League game against the Washington Nationals he recorded his first hit en route to a White Sox 6–3 win.

[14] He would take on a starting role in 2012, and hit career-highs with games played (147), home runs (25), and RBI (78) while recording a .255 batting average.

[14] He signed a one-year contract worth $4.4 million with the White Sox on January 12, 2015, to avoid arbitration.

[23] On December 1, 2015, Viciedo signed a one–year, $1.4 million contract with the Chunichi Dragons of Nippon Professional Baseball.

[26] In the 2018 NPB season, Viciedo slashed .348/.419/.555 with 26 homers to claim the batting average and hits title leading to selection in the Central League Best 9.

[35] On September 24, 2023, Viciedo collected his 1,000th NPB hit with an infield single off of Hiroto Saiki of the Hanshin Tigers.