| State: | AR |
| Type: | AR |
| Route: | 34 |
| Map: | Arkansas 34.png |
| Formed: | 1926 |
| Length Mi1: | 27.22 |
| Length Round1: | 2 |
| Length Ref1: | [1] |
| Direction A: | West |
| Terminus A1: | in Walnut Ridge |
| Junction1: | from O'Kean to Delaplaine |
| Direction B1: | East |
| Terminus B1: | in Oak Grove Heights |
| Length Mi2: | 12.96 |
| Length Round2: | 2 |
| Length Ref2: | [2] |
| Direction A2: | West |
| Terminus A2: | in Lafe |
| Junction2: | in Marmaduke |
| Direction B2: | East |
| Terminus B2: | at Fritz |
| Counties: | Lawrence, Randolph, Greene |
| Previous Type: | AR |
| Previous Route: | 33 |
| Next Type: | AR |
| Next Route: | 35 |
Arkansas Highway 34 (AR 34) is a designation for two state highways in the Upper Arkansas Delta. One segment of 27.22miles runs from US 412B in Walnut Ridge east to Highway 135 in Oak Grove Heights. A second segment of 12.96miles runs from Highway 135 in Lafe east to Highway 139 at Fritz. Both routes are maintained by the Arkansas State Highway and Transportation Department (AHTD).[3] [4] [5]
Highway 34 begins at US 67B/US 412B and Highway 367 in Walnut Ridge and runs northeast under US 67, before meeting Highway 231 at Giles. The route meets Highway 90 in O'Kean, and runs concurrently with it northeast to Delaplaine. Highway 34 turns south in Delaplaine to Evening Star, when it heads east to meet Highway 141 in Beech Grove. The route continues east to Oak Grove Heights, where it terminates at Highway 135.
The route begins at Highway 135 in Lafe and runs east to Marmaduke, where it crosses US 49. Highway 34 continues east to Fritz, where it terminates at Highway 139.
Mile markers reset at concurrencies.}}