Abbott Branch is a stream in northern Iron County, Missouri. It is a tributary of Courtois Creek.
The community of Good Water lies on Courtois Creek about 2000 feet north of the confluence and Missouri Route Z crosses the stream about 1000 feet east of the confluence. The headwaters of the stream arise just north of Missouri Route 32 about east-southeast of the confluence. Viburnum lies about west of the confluence.
Abbott Branch has the name of Robert Abbott, an early settler.
According to the Geographic Names Information System, it has also been known historically as:
Abbott Branch rises about 5 miles northeast of East End, Missouri, in Iron County and then flows generally west to join Courtois Creek about 0.25 miles south of Good Water.
Abbotts Branch drains of area, receives about 45.1 in/year of precipitation, has a wetness index of 325.98, and is about 90% forested.