Hydroxyvaleric acid or hydroxypentanoic acid may refer to the following compounds:
α-Hydroxyvaleric acid (2-hydroxyvaleric acid) β-Hydroxyvaleric acid (3-hydroxyvaleric acid) γ-Hydroxyvaleric acid (4-hydroxyvaleric acid) ω-Hydroxyvaleric acid (5-hydroxyvaleric acid), a ω-hydroxy acid The carboxylate of the acid is hydroxyvalerate or hydroxypentanoate
See also β-Hydroxyisovaleric acid