Dual connection device for memory mediums and a mobile communication terminal including the same. The dual connection device has a body portion electrically connected with a mobile communication terminal, a first receiving portion formed to the body portion for receiving therein a first memory medium, a second receiving portion formed to the body portion as to be arranged piled up to the first receiving portion for receiving therein a second memory medium, a first connection terminal installed in the first receiving portion so as to be electrically connected with a terminal of the first memory medium, and a second connection terminal installed in the second receiving portion so as to be electrically connected with a terminal of the second memory medium.