The Italian man was taken to an unknown destination from a street near Italy’s embassy in south-west Sanaa, security and diplomatic sources have said.
Police have said they are trying to track down and identify the gunmen.
The Italian Foreign Ministry in Rome confirmed the kidnapping to the AP news agency.
Kidnappings of foreigners are common in Yemen and are usually resolved peacefully.
The majority of kidnappings are carried out by gunmen who use captives to make bargains with the Yemeni goverment.
Officials tend to blame tribesmen or gunmen liked to al-Qaeda for taking foreigners.
A French official working for the Red Cross was released earlier this month after being kidnapped in April.
A Swiss woman who was working as a teacher and seized by al-Qaeda militants in March remains a hostage.
Image source: Wikimedia Commons President-elect Donald Trump celebrated his election victory at the Ultimate Fighting…
Millions of voters across the US chose to return Donald Trump to the White House…
Donald Trump declares victory in the US election as he addresses jubilant supporters in Florida.…
Stocks around the world are rising as Donald Trump appears to be on the cusp…
Donald Trump has won Pennsylvania, North Carolina and Georgia and taken a lead over Kamala…
Quincy Jones, the celebrated musician and producer who worked with Michael Jackson, Frank Sinatra, Ray…