A survey of more than 1,000 people living north of the Border by Survation found that 65 per cent would want to retain Sterling in the event of independence, with just 13 per cent backing the creation of a seperate currency.
A further 10 per cent believe Scotland should join the Euro, while 13 per cent had no opinion.
The survey, conducted on behalf of Scotland in Union, is a further set back for the currency plan laid out in the SNP’s landmark Growth Commission report.
Led by former MSP Andrew Wilson, the publication recommended keeping the pound in the immedeiate years after independence. Scotland would then introduce its own currency if a series of economic tests were met.
But that proposal caused a backlash among sections of pro-independence supporters, who claimed the plan was not radical enough and would keep Scotland tied too closely to the UK’s economic policy.
The Scottish Government had previusly proposed a formal currency union with the rest of the UK ahead of the 2014 referendum - but the move was flatly rejected by Westminister.
Pamela Nash, chief executive of Scotland in Union, said: “The SNP’s plan to scrap the pound is deeply unpopular, and is supported by just 13 per cent of voters in Scotland.
“The only way to save the pound and protect wages, mortgages and pensions is to remain in the UK.
“Nicola Sturgeon should drop her plan for an unwanted second independence referendum within 18 months.
“If the SNP does try to press ahead, this poll shows that the question must be independently assessed to ensure fairness, and it must be conducted according to the democratic and legal process.
“But the last thing that Scotland needs is another divisive and unnecessary referendum. We are stronger together as part of the UK, keeping the pound and protecting public services.”
SNP Depute Leader, Keith Brown, said: “An independent Scotland will continue to use the pound until it’s in the interests of the economy to adopt a new currency – a position this poll shows is overwhelmingly popular.
“Opponents of independence would claim any currency option was the wrong one, and would have people believe Scotland is uniquely incapable of having any currency at all. They are clearly panicking as support for independence goes from strength to strength.
“Brexit has shown the cost to Scotland of not being independent, when decisions about our future are made at Westminster and not here.
“The whole point of becoming independent is so that Scotland has the full powers to take decisions that are in the best interests of our economy and our people.”