Rehra Khas is a village in Itwa tehsil in district of Siddharthnagar, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Rehra Khas was 172 which includes 77 males and 95 females. Rehra Khas covers 32 ha area. Pincode of Rehra Khas is N/A.