No, lease agreements do not need to be notarized in Arkansas. While a few states require leases of a certain length to be notarized, Arkansas is not one of them. As long as the lease is valid and legally binding, there is no need for notarization.
The tenant or landlord can request that the lease be notarized if they wish, but it is not required.
The information for this answer was found on our Arkansas Residential Lease Agreement answers.