Can mupirocin be used for athletes foot?

No, mupirocin won't help treat athletes foot.

Mupirocin is an antibiotic that treats or prevents infection caused by bacteria.

Mupirocin nasal (for the nose) is used to prevent severe staph infections in patients and healthcare workers who may be at risk of infection during an outbreak within a hospital or other healthcare setting.

Athletes foot is a fungal infection so you'll need antifungal creams like terbinafine (Lamisil), clotrimazole or miconazole.

https://www.drugs.com/mtm/terbinafine-topical.html

https://www.drugs.com/mtm/clotrimazole-topical.html

https://www.drugs.com/mtm/miconazole-topical.html

https://www.drugs.com/mtm/mupirocin-nasal.html