This brake pedal device includes an arm portion (21) pivotally supported on a vehicle body to be rotatable, and a pedal portion (22) provided at a distal end portion (21b) of the arm portion (21). The pedal portion (22) includes a first operation portion (31) configured to operate a brake (102), a first uneven portion (33) formed on at least a part of the first operation portion (31), a second operation portion (32) provided at a position different from the first operation portion (31), and a second uneven portion (34) formed on at least a part of the second operation portion (32).