Sithu of Pinya

{{other uses|Sithu (disambiguation)}}

{{Infobox royalty

| type = monarch

| name = Sithu
စည်သူ

| image =

| caption =

| reign = 1 September 1340 – 29 March 1344

| coronation =

| succession = Regent of Pinya

| predecessor = Uzana I of Pinya

| successor = Kyawswa I

| suc-type = Successor

| reg-type =

| regent =

| succession1 = Viceroy of Myinsaing

| reign1 = {{circa|1312/13}} – 29 March 1344

| predecessor1 = Yazathingyan

| successor1 = Shwe Nan Shin

| spouse = Saw Htut

| issue = Saw Gyi (daughter)
Saw Einthe (daughter)

| issue-link =

| full name =

| house = Myinsaing

| father = Narathihapate

| mother = Shin Shwe

| birth_date = {{circa}} early 1280s

| birth_place = Pagan (Bagan)

| death_date = 1344

| death_place = Pinya

| date of burial =

| place of burial =

| religion = Theravada Buddhism

| signature =

}}

{{Contains special characters|Burmese}}

Sithu of Pinya ({{langx|my|စည်သူ}}, {{IPA|my|sìðù|}}; also known as Myinsaing Sithu) was regent of Pinya from 1340 to 1344.Than Tun 1959: 124 He is not mentioned in any of the royal chronicles. He only appears in a Pinya era inscription as "King" Myinsaing Sithu. Sithu, who according to the inscription succeeded Uzana I, may have been a caretaker for his nephew and son-in-law Kyawswa I of Pinya. Sithu's elder daughter Saw Gyi was married to Kyawswa I. At least one contemporary inscription donated by Kyawswa I's chief consort on 17 June 1342 disputes Sithu's claim, saying that Kyawswa I was already king.Yazawin Thit Vol. 1 2012: 166

The king was likely Kyawswa I's maternal uncle since Kyawswa I's father Thihathu had only two brothers, Athinkhaya and Yazathingyan, both of whom had already died.