Prince Sisowath Youtevong died on 17 July 1947 two days after leaving office as Prime Minister, at Calmette Hospital, Phnom Penh, and was succeeded by Sisowath Watchayavong.
Pangeran Sisowath Youtevong meninggal pada 17 Juli 1947 dua hari setelah meninggalkan jabatan Perdana Menteri, di Rumah Sakit Calmette, Phnom Penh, dan diteruskan oleh Sisowath Watchayavong.