The arrests, in the west Belfast and Dunmurry areas, were carried out by officers from the PSNI’s Serious Crime Branch.
The men who have been detained are aged 31, 37, 58, and two aged 47.
The woman is aged 32.
All six are being questioned at Antrim police station’s crime suite in relation to a number of recent punishment-style attacks.
Five men and one woman have been arrested by detectives investigating dissident republican activity.