Otto IV, Count of Ravensberg

{{ infobox nobility

| name = Otto IV

| image =

| caption =

| noble family = House of Calvelage-Ravensberg

| mother = Hedwig of Lippe

| birth_date = {{circa|1276}}

| birth_place =

| death_date = 1328

| death_place =

}}

Otto IV, Count of Ravensberg ({{circa|1276}} – 1328) was a German nobleman. He was the ruling Count of Ravensberg from 1306 until his death.

Otto was the fifth child of Count Otto III and his wife Hedwig of Lippe ({{circa|1238}} – 5 March 1315), daughter of Bernard III, Lord of Lippe.

Marriage and descendants

In 1313, Otto IV married Margaret of Berg-Windeck. Together, they had two daughters:

Hedwig (d. after 1387) married Duke William II of Brunswick-Lüneburg
Margaret ({{circa|1320}} – 19 February 1389) married Gerhard VI of Jülich, Count of Berg and Ravensberg

{{citation | series=Regenten- und Volksgeschichte der Länder Cleve, Mark, Jülich, Berg, und Ravensberg | title=Von Karl dem Großen bis auf ihre Vereinigung mit der Preußischen Monarchie, 768-1815|volume=2|publisher=C.J. Becker|year=1838|pages=308–319|url=https://books.google.com/books?id=aaQOAAAAYAAJ}}