{{Short description|Acid name}} '''Hydroxypropionic acid''', or alternately '''hydroxypropanoic acid''', may refer to either of two isomeric chemical compounds:
*2-Hydroxypropionic acid (lactic acid) *3-Hydroxypropionic acid (hydracrylic acid)
The carboxylate is known as '''hydroxypropionate''' or '''hydroxypropanoate'''.
{{Chemistry index}}