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- Randolph Township, Desha County
- Rankin Township, Perry County
- Raymond Township, Monroe County
- Red Colony Township, Sevier County
- Red Fork Township, Desha County
- Red Hill Township, Ouachita County
- Red Lick Township, Johnson County
- Red River Township, Little River County
- Red River Township, Miller County
- Red River Township, Searcy County
- Red River Township, Stone County
- Red River Township, Van Buren County
- Red River Township, White County
- Red Stripe Township, Stone County
- Redland Township, Cleveland County
- Redland Township, Hempstead County
- Redland Township, Nevada County
- Reed Township, Washington County
- Reeds Creek Township, Lawrence County
- Relief Township, Independence County
- Reveilee Township, Logan County
- Reyno Township, Randolph County
- Reynolds Township, Greene County
- Rheas Mill Township, Washington County
- Rich Mountain Township, Polk County
- Richardson Township, Randolph County
- Richland Township, Desha County
- Richland Township, Jefferson County
- Richland Township, Lee County
- Richland Township, Little River County
- Richland Township, Madison County
- Richland Township, Monroe County
- Richland Township, Newton County
- Richland Township, Washington County
- Richland Township, Yell County
- Richwoods Township, Jackson County
- Richwoods Township, Lawrence County
- Richwoods Township, Lonoke County
- Richwoods Township, Sharp County
- Richwoods Township, Stone County
- Riley Township, Yell County
- Rison Township, Cleveland County
- River Township, Bradley County
- River Township, Calhoun County
- River Township, Grant County
- River Township, Logan County
- River Township, Ouachita County
- Roane Township, Lafayette County
- Roasting Ear Township, Stone County
- Roberts Township, Jefferson County
- Roc Roe Township, Monroe County
- Roc Roe Township, Prairie County
- Rock Creek Township, Searcy County
- Rogers Township, Sebastian County
- Roller Ridge Township, Benton County
- Rose Creek Township, Perry County
- Roseville Township, Logan County
- Rosie Township, Independence County
- Round Prairie Township, Benton County
- Rover Township, Yell County
- Rowell Township, Cleveland County
- Royal Township, White County
- Ruddell Township, Independence County
- Rudy Township, Crawford County
- Running Lake Township, Randolph County
- Russell Township, Lafayette County
- Russell Township, White County
Read more about this topic: List Of Arkansas Townships