Seat cover and cover attaching tool

Provided is a seat cover attachable to a seat section of a vehicle seat in the state of covering an original cover with no need to detach an original cover engaging tool from an engageable portion of the seat section. A seat cover 1 is attachable to a seat section 200 of a vehicle seat 100, including a frame 501 and an original cover 301, in the state of covering the original cover 301, which is attached in the state where a hook-like original cover engaging tool 320 including a first side portion 340 and a second side portion 350 facing each other is hooked on an engageable portion 520 of the frame 501. The seat cover 1 includes a cover main body 10 for covering the seat section 200; and a cover attaching tool 20 provided along a bottom end 12 of the cover main body 10. The cover attaching tool 20 includes a first side portion 40 and a second side portion 50 facing each other and is hook-like. The cover attaching tool 20 is allowed to be hooked on the original cover engaging tool 320 hooked on the engageable portion 520.