The following lists events that happened during 1959 in Laos.

• Monarch: Sisavang Vong (abdicated 29 October), Savang Vatthana (ascended 29 October)
• Prime Minister: Phoui Sananikone (until 31 December), Sounthone Pathammavong (starting 31 December)

• 22 January - Project Hotfoot (Laos) begins.

• 28-31 July - North Vietnamese invasion of Laos: North Vietnamese Army units attack Laos in support of the Pathet Lao.

• 7 September - United Nations Security Council Resolution 132 is adopted.

• 14 October - Phetsarath Ratanavongsa
• 29 October - Sisavang Vong
• 29 December - Katay Don Sasorith