Red Oak Creek or Bullock Creek is a 35 miles (56 km) stream and tributary of the Trinity River in North Texas.

Red Oak Creek is a Navigable Waterway according to the Texas Parks & Wildlife Department. The Creek is owned by the State of Texas. By Texas State Law, the public is allowed access to the Creek bed along the entire creek despite the water level.

The source of Red Oak Creek is at 32°35′08″N 96°57′34″W / 32.58556°N 96.95944°W / 32.58556; -96.95944 in southwestern Dallas County near U.S. Route 67 and the Atchison, Topeka and Santa Fe Railway in Cedar Hill, then flowing through the communities of Cedar Hill, Ovilla, Oak Leaf, and Red Oak.

It enters the Trinity River east of Bristol, Texas in northeast Ellis County at 32°28′31″N 96°30′15″W / 32.47528°N 96.50417°W / 32.47528; -96.50417.

• Red Oak Creek from the Handbook of Texas Online