This List of U.S. state trees includes official trees of the following states and U.S. possessions:
- Alabama, Longleaf Pine (Pinus palustis)
- Alaska, Sitka Spruce (Picea sitchensis)
- Arizona, Palo Verde (Parkinsonia florida)
- Arkansas, Lobolly Pine (Pinus taeda)
- California, California Redwood (Sequoia giganteum,Sequoia sempervirens)
- Colorado, Colorado Blue Spruce (Picea pungens)
- Connecticut, White Oak (Quercus alba)
- District of Columbia, Scarlet Oak (Quercus coccinea)
- Delaware, American Holly (Ilex opaca)
- Florida, Sabal Palm (Sabal palmetto)
- Georgia, Live Oak (Quercus virginiana)
- Guam, Ifil or Ifit (Intsia bijuga)
- Hawaii, Kukui or candlenut (Aleurites moluccana)
- Idaho, Western White Pine (Pinus monticola)
- Illinois, White Oak (Quercus alba)
- Indiana, Tulip Tree (Liriodendron tulipifera)
- Iowa, Oak (Quercus)
- Kansas, Cottonwood (Populus deltoides)
- Kentucky, Tulip Poplar (Liriodendron tulipifera)
- Louisiana, Bald Cypress (Taxodium distichum)
- Maine, Eastern White Pine (Pinus strobus)
- Maryland, White Oak (Quercus alba)
- Massachusetts, American Elm (Ulmus americana)
- Michigan, Eastern White Pine (Pinus strobus)
- Minnesota, Red Pine (Pinus resinosa)
- Mississippi, Magnolia (Magnolia)
- Missouri, Flowering Dogwood (Cornus florida)
- Montana, Ponderosa Pine (Pinus ponderosa)
- Nebraska, Cottonwood (Populus deltoides)
- Nevada, Singleleaf Pinyon (Pinus monophylla)
- New Hampshire, White Birch (Betula papyrifera)
- New Jersey, Northern Red Oak (Quercus rubra)
- New Mexico, Pinyon (Pinus edulis)
- New York, Sugar Maple (Acer saccharum)
- North Carolina, Longleaf Pine (Pinus palustris)
- North Dakota, American elm (Ulmus americana)
- Northern Marianas, Flame Tree (Delonix regia)
- Ohio, Buckeye (Aesculus glabra)
- Oklahoma, Redbud (Cercis canadensis)
- Oregon, Douglas Fir (Pseudotsuga menziesii)
- Pennsylvania, Eastern Hemlock (Tsuga canadensis)
- Puerto Rico, Silk-Cotton Tree (Ceiba pentandra)
- Rhode Island, Red Maple (Acer rubrum)
- South Carolina, Palmetto (Sabal palmetto)
- South Dakota, Black Hills Spruce (Picea glauca)
- Tennessee, Tulip Poplar (Liriodendron tulipifera)
- Texas, Pecan (Carya illinoinensis)
- Utah, Blue Spruce (Picea pungens)
- Vermont, Sugar Maple (Acer saccharum)
- Virginia, Flowering Dogwood (Cornus florida)
- Washington, Western Hemlock (Tsuga heterophylla)
- West Virginia, Sugar Maple (Acer saccharum)
- Wisconsin, Sugar Maple (Acer saccharum)
- Wyoming, Plains Cottonwood (Poplus deltoides subsp. monilifera)
