Södermanland Brigade (Swedish: Södermanlandsbrigaden), also PB 10 or MekB 10, was a Swedish Army armoured brigade located in the province of Södermanland.

The unit was disbanded as a result of the disarmament policies set forward in the Defence Act of 2000.

Blazon: "Or, the provincial badge of Södermanland, a griffin segreant, sable, armed and langued gules.

The shield surmounted two arms in fess, embowed and vambraced, the hands holding swords in saltire, or".

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