Tunis Run is a tributary of White Deer Creek in Centre County, Pennsylvania, in the United States.

Several tenths of a mile further downstream, the stream reaches its confluence with White Deer Creek.

[1] Tunis Run joins White Deer Creek 25.62 miles (41.23 km) upstream of its mouth.

[6] Wild trout naturally reproduce in Tunis Run from its headwaters downstream to its mouth.

[7] An unnamed tributary of Tunis Run (joining the stream 1.04 miles (1.67 km) upstream of its mouth) is being considered by the Pennsylvania Fish and Boat Commission for designation as wild trout waters.