| Thorium Acetate | Th(C2H4O2)4 |
| Thorium Acetylacetonate | Th(CH3COCHCOCH3)4 |
| Thorium Aluminide | ThAI3 |
| Thorium Bismuthide | THBi2 |
| Thorium Boride | ThB4 |
| Thorium Bromide | ThBr4 |
| Thorium Carbide | ThC |
| Thorium Carbonate | Th(CO3)2 |
| Thorium Chloranilate | ThC12Cl4O8·3H2O |
| Thorium Chloride | ThCl4 |
| Thorium Dicarbide | ThC2 |
| Thorium Dioxide | ThO2 |
| Thorium Ditelluride | ThTe2 |
| Thorium Fluoride | ThF4 |
| Thorium Hexaboride | ThB6 |
| Thorium Hexafluoroacetylacetonate | Th(CF3COCHCOCF3)4 |
| Thorium Hydride | ThH3 |
| Thorium Hydroxide | Th(OH)4 |
| Thorium Iodide | ThI4 |
| Thorium Metal | Th |
| Thorium Nitrate Tetrahydrate | Th(NO3)4·4H2O |
| Thorium Nitride | Th3N4 |
| Thorium Oleate | Unspecified |
| Thorium Orthosilicate | ThSiO4 |
| Thorium Oxalate | Th(C2O4)2 |
| Thorium Oxyfluoride | ThOF2 |
| Thorium Pentanedione (See Thorium Acetylacetonate) | (CH3COCHCOCH3)4Th |
| Thorium Perchlorate | Th(ClO4)4 |
| Thorium Selenide | ThSe2 |
| Thorium Silicide | ThSi2 |
| Thorium Sodium Citrate | C6H8O7.2Na.Th |
| Thorium Sulfate | Th(SO4)2·8H2O |
| Thorium Sulfide | THS2 |
| Thorium Tetracyanoplatinate(II) | Th[Pt(CN)4]2 |
| Thorium Yttrium Oxide | O.Th.Y |
