Samsenethai

{{more citations needed|date=November 2011}}

{{Infobox royalty

| name =Samsenthai

| title =King of Lan Xang

| image =

| caption =

| succession ={{hlist |Monarchs of Lan Xang}}

| reign =1374–1416

| coronation =1374

| predecessor =Fa Ngum

| successor =Lan Kham Deng

| spouse ={{unbulleted list}}

Queen Keo Lot Fa (Ayutthaya)
Queen Bua Then Fa (Muang Sua)
Queen Noi On Sor (Lan Na)
Queen Keo Yot Fa (Ayutthaya)
Queen Keo Sida (Sip Song Panna)

| issue ={{unbulleted list}}

Prince Lusai
Prince Lan Kham Deng
Prince Kham Tam Sa
Prince Khon Kham
Prince Vang Buri
Princess Keo Kumari
Princess Anocha
Princess Manora
Princess Suphatthat
Princess Mahakai

| dynasty =Khun Lo

| father =Fa Ngum

| mother =Keo Kang Ya

| religion =Therevada Buddhism

| birth_name =Oun Heuan

| birth_date =1357

| birth_place =Muang Sua, Lan Xang

| death_date =1416

| death_place =Muang Sua, Lan Xang

| date of burial =

| place of burial =

| regnal name =Samdach Brhat-Anya Samu Sena Daya Daya Buvana Natha Adipati Sri Sadhana Kanayudha ({{langx|lo|ສົມເດັຈພຣະຍາ ສາມແສນໄທ ໄຕຣ໌ພູວະນາທອາທິປັຕ ສຼີສັຕນາຄະນາຫຸທ}})

|}}

Samsenethai ({{langx|lo|ສາມແສນໄທ}}) also called Oun Huan ({{langx|lo|ອຸ່ນເຮືອນ}}) was the second king of Lan Xang in Laos. He succeeded his father, Fa Ngum.{{cn|date=August 2020}}

He ruled from 1372 until 1417.

Wat Manorom, Wat Oubôsôt, and Wat Xiang Kham were built in Samsenethai's reign. He was succeeded by his son Lan Kham Deng.