Tyler State Park is a state park north of Tyler, Texas. It is 985.5 acres (399 ha) in Smith County, north of Tyler. The park includes a 64-acre (26 ha) lake. The land was deeded by private owners in 1934 and 1935; original improvements were made by the Civilian Conservation Corps (CCC). The park opened in 1939.

Activities include picnicking; camping; boating (motors allowed - 5 mph (8.0 km/h) speed limit); boat rentals; fishing; birding; hiking; mountain biking; lake swimming (in unsupervised swimming area); and nature study.

• Restrooms with and without showers
• Picnic sites (including 3 group picnic areas)
• Campsites with water
• Campsites with water and electricity (pull-through and back-in)
• Campsites with water, electricity, and sewer (pull-through)
• Screened shelters
• A group camp with 6 cabins for overnight use and a dining hall with a full kitchen for day-use only; cabins and dining hall can be rented together or separately.

• Trailer dump stations
• A group dining hall
• A 2.5-mile (4.0 km) hiking trail
• A 13-mile (21 km) mountain bike trail
• A 0.75-mile (1.21 km) nature trail
• An amphitheater on the lake shore
• A seasonal grocery store that sells souvenirs and fishing supplies and rents canoes, paddle boats, kayaks, and fishing boats; a laundry tub; and a concrete launching ramp with a courtesy dock.

Situated in the pineywoods, the steep dissected hillsides and the lake, with its associated vegetation, provides considerable habitat variety. Wildlife species are characteristic of east Texas: deer, squirrels, raccoons, opossums, as well as numerous species of birds. Popular fish include crappie, perch, catfish, and bass.

Tyler State Park is located 2 miles (3.2 km) north of Interstate 20 on FM 14 north of Tyler on Park Road 16.