Long Seniai

Long Seniai (also known as Long Sinei) is a longhouse settlement in the Marudi division of Sarawak, Malaysia. It lies approximately 553.7 km east-north-east of the state capital Kuching.

Neighbouring settlements include:
 * Long Merigong 11.3 km east
 * Long Tebangan 13.1 km southwest
 * Long Tap 18.3 km southwest
 * Long Akah 23.7 km southwest
 * Long Datih 24.1 km east
 * Long San 24.9 km southwest
 * Long Daloh 25.7 km northwest
 * Long Lellang 25.7 km east
 * Long Selatong 28.3 km southwest
 * Aro Kangan 28.5 km east