The animal, which was tagged, had been displaying increasingly dangerous behaviour in the Hook Point area, The Department of Environment, Science and Innovation said in a statement.
The most recent attack occurred on Monday where a man was bitten on the back of the leg.
The department said the dingo was humanely euthanised yesterday.
“Due to the escalation of the animal’s behaviour, Queensland Parks and Wildlife Service (QPWS) has made the difficult decision to euthanise the dingo,” it said.
“This decision is in line with the Fraser Island Dingo Conservation and Risk Management Strategy, and is part of our commitment to maintain the safety of everyone who visits or lives on K’gari.”
Euthanising a dingo is considered a last resort measure as it can disrupt the island’s natural ecological and cultural wellbeing, including that of the Butchulla people.
QPWS is reminding visitors and residents on K’gari to comply with Dingo-Safe advice.
Mystery ‘organ-like’ creature washes up on Victorian beach
Authorities advise staying within arm’s reach of children and young teenagers at all times and to always walk in groups.
Those camping on the island should do so in fenced areas, ensure food is never stored in tents and make sure rubbish, fish and bait are secured.
Visitors are advised to never feed dingoes and if approached, do not attempt to run as it can trigger negative behaviour.