| English River | |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Iowa |
| Subdivision Type4: | District |
| Subdivision Name4: | Washington County, Iowa |
| Discharge1 Location: | Kalona, Iowa |
| Discharge1 Avg: | 427 cu/ft. per sec.[1] |
| Source1 Coordinates: | 41.5075°N -92.054°W |
| Mouth: | Iowa River |
| Mouth Coordinates: | 41.4875°N -91.5018°W |
The English River is a tributary of the Iowa River in southeastern Iowa in the United States. The main stem of the river is long.[2] Including its longest headwaters tributary, the North English River, the total length increases to .[2] Via the Iowa River, it is part of the Mississippi River watershed. The Deep River is a minor tributary of the English River. The towns of North English, South English and Deep River are named for the English and Deep rivers.
The English River flows for much of its course in north and south forks, which join in extreme northwestern Washington County. The English River then flows generally eastwardly for about,[2] past the town of Riverside. It joins the Iowa River in northeastern Washington County, south of Iowa City.
The 51.8adj=midNaNadj=mid North English River[2] is the longer of the two forks. It rises just south of Grinnell in western Poweshiek County and flows generally east-southeastwardly through Iowa County, past the town of Guernsey. In Iowa County it collects two minor tributaries, the Deep River and the Middle English River, both of which rise in Poweshiek County and flow eastwardly for short distances.
The Deep River is a minor tributary of the North English River. It rises about two miles north-northwest of Montezuma in the south-central part of Poweshiek County at with an elevation of . It flows generally eastward for about, passing on the north side of the village of Deep River, Iowa, until it reaches the North English River at at an elevation of in the south-west part of Iowa County. The stream was reportedly named not because the water was so deep, but rather it was so far down from the stream bank to the water.
The river experienced a record flood on May 14, 1970 with a greater than 50 year recurrence interval. At the flood crest the stream gage on the Deep River station at the town of Deep River measured a record stage of and a stream flow of
The Middle English River, also the Middle Fork English River, is a minor tributary of the North English River. It rises about 2miles south-southeast of the village of Deep River, Iowa in the southeastern part of Poweshiek County at with an elevation of . It flows generally eastward for about until it reaches the North English River at about northeast of North English at an elevation of near the southern border of Iowa County.
The 48.5adj=midNaNadj=mid South English River[2] rises just south of Montezuma in southern Poweshiek County and flows generally eastwardly through extreme northeastern Mahaska County and northern Keokuk County.