Heaviest chicken egg
- Who
- Unknown
- What
- 454 gram(s)
- Where
- United States (Vineland,New Jersey)
- When
- 01 January 0001
The heaviest egg reported to have been laid by a hen is one of 454 g (16 oz), with a double yolk and double shell, laid by a White Leghorn at Vineland, New Jersey, USA, on 25 February 1956.