Llantilio Crossenny is a small village and much larger former community, abolished in 2022, now in the community of Whitecastle, in Monmouthshire, south east Wales, in the United Kingdom. Part of the old community is now part of Skenfrith community. It is situated between the two towns of Abergavenny and Monmouth on the B4233 road. The community included Penrhos, and Llanvihangel-Ystern-Llewern.