| Native Name: | ابوالعنباس صیمری |
| Native Name Lang: | ar |
| Birth Date: | 828 |
| Birth Place: | Kufa |
| Death Date: | 889 |
| Era: | Islamic Golden Age |
| Main Interests: | Astrology, poetry |
Abu'l-'Anbas Saymari Mohammad bin Eshaq bin Abi'l-'Anbas bin Al-Maghira bin Mahan (fa|ابوالعنباس صیمری; ar|أبو العنبس محمّد بن إسحاق بن إبراهيم الصيمري) was an Iranian astrologer, astronomer, poet and author. He was born in 213/828 in Kufa, and died in 275/889. He seems to have spent much of his time at the caliphal court from Motawakkel's reign (847861) to Moʿtamed's (870892). His great-great-grandfather's name, and his knowledge of the Sasanian astrologers Zaradūšt and Bozorjmehr, indicates that he was of Iranian origin.