46-й штурмовий батальйон

46th Assault Battalion Donbas was a unit of the Ukrainian Сухопутні війська, formed in 2015 as 46th Special Purpose Battalion Donbas-Ukraine. The unit was formed by volunteers of the famous Батальйон "Донбас, who wished to serve in the Збройні сили України instead of the Національна гвардія, where the original battalion was subordinated.

In 2018, the battalion was subordinated to the 54-а механізована бригада, and in 2019, the unit was reformed into an assault battalion and received an honorary title, Donbas.

In November/December 2022, the battalion ceased to exist as a separate unit and became the 3rd Mechanized Battalion of 54-а механізована бригада.