Stephanie "Steffi" Westerfeld (October 8, 1943 – February 15, 1961) was an American figure skater.
She earned a place on the United States' world team for the 1961 World Figure Skating Championships, after she finished second at 1961 U.S National Championships.
She died on February 15, 1961, when Sabena Flight 548 crashed on its way to the World Championships in Prague. She was buried in Evergreen Cemetery in Colorado Springs, Colorado. Her sister, Sharon, was also killed in the crash and is buried next to her in the family plot.
Westerfeld was an honor student, pianist, and homecoming queen at Cheyenne Mountain High School.