NatWest is shutting all five of its Scottish branches, as it moves to close another 43 British outlets.
The bank says the Covid pandemic has accelerated a shift to online banking.
NatWest confirmed yesterday that the Aberdeen site will go on January 18.
The other Scottish locations losing their branches - also in January - are Dundee, Edinburgh, Glasgow and Ayr.
Aberdeen Central MSP Kevin Stewart wants NatWest to re-think the decision to shut the local outlet.
Mr Stewart told the Press and Journal: "This is yet another branch closure in our city, which inevitably hits older people and small businesses the hardest.
Importance of local branches
"The cost-of-living crisis has seen an increase in the use of cash and we know how important local branches are to small businesses and older folks who still require face-to-face services.
"There is time for NatWest to reflect and reconsider this decision and I hope they do just that."
According to a survey published by KPMG in January, a fifth of banking customers had not visited a branch since before the pandemic.
NatWest said the number of customers using its mobile app between January 2019 and 2022 increased by 38%, while average counter transactions fell by 64% over the same period.
Around 91% of retail banking services at NatWest are also now available online.
The Telegraph says that NatWest has set up a dedicated support line for customers over 60 to help them adjust to the changes.
Partnership with the Post Office
For other customers with disabilities, the lender has invested in a partnership with the Post Office to allow people to access cash and face-to-face banking services.
The spokesman said: "We understand and recognise that digital solutions aren't right for everyone or every situation, and that when we close branches we have to make sure that no-one is left behind.
"We take our responsibility seriously to support the people who face challenges in moving online, so we are investing to provide them with support and alternatives that work for them."
Around 4,685 bank branches have closed since 2015, according to the consumer watchdog Which, and a further 433 branches are scheduled to go this year and next.
At present, NatWest ranks second in the country for the number of branches shutting, -with 689 sites having closed in the past seven years.
FTSE 100
The UK's top share index, the FTSE 100, was up 84 points at 6,935 shortly after opening this morning, following yesterday's 24-point gain.
Brent crude futures were ahead 0.34% at $94.80 a barrel.
Companies reporting today
- Trading updates: Ashmore Group, Jupiter Fund Management, Mondi