The Rumsen language (also known as Rumsien, San Carlos Costanoan and Carmeleno) is one of eight Ohlone languages, historically spoken by the Rumsen people of Northern California. The Rumsen language was spoken from the Pajaro River to Point Sur, and on the lower courses of the Pajaro, as well as on the Salinas and Carmel Rivers, and the region of the present-day cities of Salinas, Monterey and Carmel.

The Rumsen language (also known as Rumsien, San Carlos Costanoan and Carmeleno) is one of eight Ohlone languages, historically spoken by the Rumsen people of Northern California. The Rumsen language was spoken from the Pajaro River to Point Sur, and on the lower courses of the Pajaro, as well as on the Salinas and Carmel Rivers, and the region of the present-day cities of Salinas, Monterey and Carmel.