Jagatdev Singh

{{short description|Raja of Poonch from 1928 to 1940}}

{{Sources exist|date=May 2025}}

{{infobox royalty

| title = Raja-i-Rajgan
Bahadur Raja

| succession = Raja of Poonch

| reign = {{circa|1928}} – 1940 {{harvp|Snedden, Kashmir: The Unwritten History|2013|pp=237–238}}; {{harvp|McLeod, India and Pakistan: Friends, Rivals or Enemies?|2008|pp=74–75}}; {{harvp|Schofield, Kashmir in Conflict|2003|p=41}}

| predecessor = Sukhdev Singh (Raja of Poonch){{cite web|url=https://poonch.nic.in/about-district/|title=About District Poonch {{pipe}} District Poonch, Government of Jammu and Kashmir {{pipe}} India|website=poonch.nic.in|access-date=2025-05-24}}

| successor = Shiv Rattan Dev Singh

| death_date =

}}

Jagatdev Singh was the Raja of Poonch Jagir from 1928 until 1940, upon his death in 1940 - Maharaja Hari Singh used the situation to integrate the Poonch jagir into the state of Jammu and Kashmir.