By-elections in Guar Sanji will be scheduled to be held on 2026 for the Perlis State Legislative Assembly seat of Guar Sanji. It was called following the sacking of on 24 December 2025 by the President of PAS, Abdul Hadi Awang in a statement. Mohd Ridzuan served as the Guar Sanji DUN seat from 2018. The by-election will be held concurrently with the Bintong and Chuping by-elections for the same reasons.