Lightweight rowing (abbreviated Lwt or Lt) is a category of rowing where limits are placed on the maximum body weight of competitors. According to the International Rowing Federation (FISA), this weight category was introduced "to encourage more universality in the sport especially among nations with less statuesque people".
At the international level, for crew boats, the limits are:
For single sculls, the limits are 72.5 kg (159.8 lb) for men and 59 kg (130.1 lb) for women.