Ping

Ping can have several meanings
A tone, usually of a high frequency
A networking tool that shows if two computers are connected, and how long a signal takes to go from one to the other
 Ping River, a river in Thailand
Ping, a manufacturer and brand name of golf equipment

People
Jean Ping is a politician from Gabon
Lioe Tiong Ping is a badminton player from Indonesia
Ping Ping is a singer from Suriname