Frederick Joseph "Cy" Alberts (January 14, 1882 – August 27, 1917) was a Major League Baseball pitcher who played in 1910 with the St. Louis Cardinals. He batted and threw right-handed. Alberts had a 1–2 record, with a 6.18 ERA, in four games, in his one-year career.
He was born in Grand Rapids, Michigan and died in Fort Wayne, Indiana.