Walter Nicholas Henry Tongue (born 8 April 1973 in Auckland) is a former freestyle swimmer from New Zealand, who competed at the 1996 Summer Olympics in Atlanta, United States for his native country.

• Profile on NZ Olympic Committee website ^{[dead link‍]}
• Nick Tongue at the New Zealand Olympic Committee
• Nick Tongue at Olympics.com
• Nick Tongue at Olympics at Sports-Reference.com (archived)