PC Liam Porter, 40, has been charged with sexual assault following the incident on January 18, 2022.
Hampshire Constabulary also confirmed in a statement on Monday that PC Porter is currently suspended from duty.
A police spokesman said: “A man has been charged with sexual assault on a female following an incident in Clanfield on January 18.
“Liam Porter, aged 40, is a serving police officer and the offence is alleged to have occurred while the officer was on duty.
“He will appear before Basingstoke Magistrates Court on Tuesday, July 12.”