The following is a list of state forests in Indiana by area. The first three tie as number one, so they are listed in alphabetical order.
| Rank | Name | County where main entrance is located | Area | Notes |
|---|---|---|---|---|
| 1 | Clark State Forest | 24,000 acres (97.12 km2) |
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| 2 | Harrison–Crawford State Forest | 24,000 acres (97.12 km2) |
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| 3 | Morgan–Monroe State Forest | 24,000 acres (97.12 km2) |
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| 4 | Yellowwood State Forest | 23,326 acres (94.40 km2) |
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| 5 | Jackson–Washington State Forest | 18,000 acres (72.84 km2) |
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| 6 | Greene–Sullivan State Forest | 9,000 acres (36.42 km2) |
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| 7 | Ferdinand State Forest | 7,657 acres (30.99 km2) |
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| 8 | Martin State Forest | 7,023 acres (28.42 km2) |
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| 9 | Pike State Forest | 4,444 acres (17.98 km2) |
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| 10 | Ravinia State Forest | 1,500 acres (6 km2) |
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| 12 | Mountain Tea State Forest | 1,153 acres (4.67 km2) |
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| 13 | Salamonie River State Forest | 850 acres (3.4 km2) |
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| 14 | Frances Slocum State Forest | 516 acres (2.09 km2) |
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| 15 | Selmier State Forest | 355 acres (1.4 km2) |
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| 16 | Covered Bridge State Forest | 300 acres (1.2 km2) |
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| 18 | Owen–Putnam State Forest | 91 acres (0.37 km2) |