Aksaite (Mg<nowiki>[</nowiki>B<sub>6</sub>O<sub>7</sub>(OH)<sub>6</sub>]÷2H<sub>2</sub>O) is a mineral found in Kazakhstan.
Aksaite is named after the place it was discovered, Ak-say (lit. White Glen). It was found in 1963 in Chelkar Salt Dome, Ak-say Valley, Kazakhstan.