To provide a sheet feeding device having a plurality of heating members, in which an electric power supply route to the heating members can be simplified.SOLUTION: A sheet feeding device which feeds a sheet S loaded on a sheet cassette 14 by a feed roller 6 is provided that includes: a first heating part 25 which is provided in the sheet cassette 14, and is electrically conducted to thereby heat the sheet S loaded on the sheet cassette 14; a second heating part 26 which is provided at a position different from that of the first heating part 25 in the sheet cassette 14, and is electrically conducted to thereby heat the sheet S loaded on the sheet cassette 14; power supply terminals 61, 62 which supply electric power to the first heating part 25; a connection terminal 53 which electrically connects the first heating part 25 and the second heating part 26 to each other; and regulation plates 63 to 65 which move the connection terminal 53 to a connection position where the first heating part 25 and the second heating part 26 are electrically connected to each other and to a disconnection position where such connection is disconnected.SELECTED DRAWING: Figure 7