Yes—there are quite a few excellent options if you want the warm look of wood without the maintenance. Most of them fall into three categories: recycled plastic lumber, HDPE lumber, and wood-plastic composite.
Recycled plastic and HDPE benches now come with realistic molded wood-grain textures. Manufacturers mix subtle color streaks to imitate cedar, teak, or driftwood, so from a few feet away they can easily pass as wood. The big advantage is that they never need staining, sealing, or sanding, and they resist rot, splinters, insects, and moisture.
If you want the deepest, most authentic grain, look for high-density polyethylene benches with a textured surface. They are often heavier, which helps prevent shifting in public or open areas. Composite wood benches are another good option—they blend recycled wood fibers with plastic resin and often look like painted or stained timber. They can be slightly more rigid, but check for UV inhibitors to reduce fading in direct sunlight.
A few buying tips: choose light or weathered colors for full-sun locations, confirm the hardware is stainless steel if you are near salt water, and check the bench weight if you plan to move it. Overall, you can definitely get a park bench that has a natural wood look but uses synthetic materials—just decide whether you prefer the rich grain of HDPE or the board-like appearance of composite.