Cathy Kratzert Gerring (born April 28, 1961) is an American professional golfer who played on the LPGA Tour.

Born Cathy Kratzert, in Fort Wayne, Indiana, she played college golf at Ohio State University.

In April 1992, Gerring was severely burned in a hospitality tent at the LPGA's Sara Lee Classic in Nashville, Tennessee.

Gerring's brother, Billy Kratzert, won four times on the PGA Tour.

They are one of only two brother/sister pairs to win on both tours (the other is Jim Gallagher Jr. and Jackie Gallagher-Smith).