|Birth name||Deborah C. Lansky|
|Full name||Deborah C. Smith|
|Born||April 3, 1953 (age 69)|
Trenton, Michigan, U.S.
Deborah C. "Deby" LaPlante (née Lansky, in second marriage Smith; born April 3, 1953) is a retired female track and field athlete from the United States, who competed in the hurdles event. She twice won a medal at the Pan American Games during her career. LaPlante set her personal best in the women's 100m hurdles event on June 16, 1979, clocking 12.86 in Walnut, California.
Deby was voted to the San Diego State Univ Hall of Fame.  Deby LaPlant Sweezey later competed in Masters Track and Field winning the 1995 World Masters Championship (W40) in the hurdles.  1993 Deby held the Masters W40 World Record in the 80 meter hurdles.