Sulfur Ions

• Sulfide: $\text{ce}{S}^{-}$ (Oxidation State: -I)

Sulfur Oxyanions

They are ions of Sulfoxylic Acids (acids of Sulfur, Oxygen and Hydrogen)

• Sulfoxylate: $\text{ce}SO{2}^{2-}$ (Oxidation State: II)
• Sulfite: $\text{ce}SO{3}^{2-}$ (Oxidation State: IV)
• Sulfate: $\text{ce}SO{4}^{2-}$ (Oxidation State: VI)

Some more (from Wikipedia)

• Thiosulfate: $\text{ce}S2O{3}^{2-}$ (Oxidation State: IV (V and -I))
• Pyrosulfate: $\text{ce}S2O{7}^{2-}$ (Oxidation State: VI)

Wikipedia has more.