- Oscar Lynagh
- 33 centimetre(s)
- Australia (Melbourne)
The tallest stack of onion rings is 33 cm (1 ft 0.99 in), achieved by Oscar Lynagh (Australia) in Melbourne, Victoria, Australia, on 2 September 2022.
Oscar is a serial record-breaker and has previously achieved records including the most candy canes hung on a Christmas tree in 30 seconds and fastest time to identify ten fruits blindfolded.