There are a large number of sports that involve water. The following is a List of water sports, divided by category. These categories are based on the relation of the sports to the water. Some of the sports include only one part related to swimming, as for example Triathlon.

Swimming includes pool swimming and open water swimming

Triathlon is usually a combination of swimming, cycling and running

Modern pentathlon includes epee fencing, pistol shooting, swimming, a show jumping course on horseback, and cross country running

Rescue swimming is swimming with the goal to rescue other swimmers or the practice thereof

Water polo is a team sport played in water.

Synchronized swimming is a hybrid of swimming, gymnastics, and ballet.

Water aerobics is aerobics in the water

Water gymnastics is gymnastics in the water

Snorkeling is the practice of swimming at the surface (typically of the sea) being equipped with a mask and a short tube called a snorkel.

Diving off springboards or off platforms

Synchronized diving