A sewing machine presser foot includes: a presser foot body including an attachment portion attached to a presser bar of a sewing machine, a supporting portion extending downward from the attachment portion , and a pressing portion in which, at a lower end of the supporting portion, a needle guiding hole having a string guiding groove for guiding a string is formed; and a cover member including a groove covering portion that crosses and covers the string guiding groove of the pressing portion, a supporting plate portion formed along the supporting portion continuously from the groove covering portion, and an attachment portion formed at an end of the supporting plate portion so as to be attached to the presser foot body. A right-side portion of the supporting plate portion of the cover member is fixed to the presser foot body A by the attachment portion.