There are at least 20 named lakes and reservoirs in Poinsett County, Arkansas.

• Dead Timber Lake, 35°26′34″N 090°17′32″W / 35.44278°N 90.29222°W / 35.44278; -90.29222 (Dead Timber Lake), el. 213 feet (65 m) ^[1]
• Hood Lake, 35°42′01″N 090°55′06″W / 35.70028°N 90.91833°W / 35.70028; -90.91833 (Hood Lake), el. 233 feet (71 m) ^[2]
• Lost Trap Lake, 35°27′50″N 090°26′14″W / 35.46389°N 90.43722°W / 35.46389; -90.43722 (Lost Trap Lake), el. 213 feet (65 m) ^[3]
• Snake Slough, 35°31′36″N 091°00′11″W / 35.52667°N 91.00306°W / 35.52667; -91.00306 (Snake Slough), el. 223 feet (68 m) ^[4]
• Spear Lake, 35°33′27″N 090°17′41″W / 35.55750°N 90.29472°W / 35.55750; -90.29472 (Spear Lake), el. 207 feet (63 m) ^[5]

• Chase Reservoir, 35°39′08″N 090°50′50″W / 35.65222°N 90.84722°W / 35.65222; -90.84722 (Chase Reservoir), el. 246 feet (75 m) ^[6]
• Claypool Reservoir, 35°36′52″N 090°47′17″W / 35.61444°N 90.78806°W / 35.61444; -90.78806 (Claypool Reservoir), el. 246 feet (75 m) ^[7]
• John Kocher Lake, 35°33′42″N 090°47′18″W / 35.56167°N 90.78833°W / 35.56167; -90.78833 (John Kocher Lake), el. 239 feet (73 m) ^[8]
• Keller Lake, 35°42′07″N 090°47′14″W / 35.70194°N 90.78722°W / 35.70194; -90.78722 (Keller Lake), el. 249 feet (76 m) ^[9]
• Lake Hogue, 35°35′00″N 090°57′47″W / 35.58333°N 90.96306°W / 35.58333; -90.96306 (Lake Hogue), el. 230 feet (70 m) ^[10]
• Lake Poinsett, 35°31′52″N 090°40′33″W / 35.53111°N 90.67583°W / 35.53111; -90.67583 (Lake Poinsett), el. 302 feet (92 m) ^[11]
• Lonnie Jaynes Lake, 35°38′06″N 090°39′06″W / 35.63500°N 90.65167°W / 35.63500; -90.65167 (Lonnie Jaynes Lake), el. 262 feet (80 m) ^[12]
• O K Lake, 35°41′00″N 090°56′35″W / 35.68333°N 90.94306°W / 35.68333; -90.94306 (O K Lake), el. 233 feet (71 m) ^[13]
• Paul Senteny Lake, 35°33′36″N 090°41′36″W / 35.56000°N 90.69333°W / 35.56000; -90.69333 (Paul Senteny Lake), el. 407 feet (124 m) ^[14]
• Poinsett Watershed Site 101 Reservoir, 35°28′18″N 090°41′18″W / 35.47167°N 90.68833°W / 35.47167; -90.68833 (Poinsett Watershed Site 101 Reservoir), el. 266 feet (81 m) ^[15]
• Poinsett Watershed Site 102 Reservoir, 35°29′53″N 090°41′09″W / 35.49806°N 90.68583°W / 35.49806; -90.68583 (Poinsett Watershed Site 102 Reservoir), el. 289 feet (88 m) ^[16]
• Poinsett Watershed Site One Reservoir, 35°28′30″N 090°40′54″W / 35.47500°N 90.68167°W / 35.47500; -90.68167 (Poinsett Watershed Site One Reservoir), el. 282 feet (86 m) ^[17]
• Poinsett Watershed Site Three Reservoir, 35°30′12″N 090°41′00″W / 35.50333°N 90.68333°W / 35.50333; -90.68333 (Poinsett Watershed Site Three Reservoir), el. 269 feet (82 m) ^[18]
• Poinsett Watershed Site Two Reservoir, 35°29′25″N 090°41′10″W / 35.49028°N 90.68611°W / 35.49028; -90.68611 (Poinsett Watershed Site Two Reservoir), el. 285 feet (87 m) ^[19]
• Wayne Carter Lake, 35°32′42″N 090°43′06″W / 35.54500°N 90.71833°W / 35.54500; -90.71833 (Wayne Carter Lake), el. 335 feet (102 m) ^[20]

• List of lakes in Arkansas

v t e Municipalities and communities of Poinsett County, Arkansas, United States
County seat: Harrisburg
Cities	Fisher Harrisburg Lepanto Marked Tree Trumann Tyronza Weiner
Town	Waldenburg
CDPs	Payneway Rivervale
Other unincorporated communities	Dub Greenfield Hatchie Coon Judd Hill Mount Olive Northern Ohio Uno Weed
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