Isiala Ngwa North bụ Local Government Area of Abia State, Nigeria. Isi ụlọ ọrụ ya dị n'obodo Okpuala-Ngwa. O nwere mpaghara 283 km2 yana ọnụ ọgụgụ mmadụ 153,734 na ngụkọ 2006.