Lawapur Harnarayan is a village in Mahnar tehsil in district of Vaishali, Bihar, India. As per the data provided by Census of India in 2011, total population of Lawapur Harnarayan was 7,951 which includes 3,999 males and 3,952 females. Lawapur Harnarayan covers 382 ha area. Pincode of Lawapur Harnarayan is N/A.