Sam Chifney might refer to:

• Samuel Chifney Sr. (c. 1753 - 8 January 1807), also known as Sam Chifney the elder, an English jockey; or his son,
• Samuel Chifney Jr., also an English jockey

• Orexin receptor 2
• Orexin receptors
• OREYA
• Orey Vazhi
• Orešac
• Orešac (disambiguation)
• Orešac (Seone)
• Orešani
• Orešje
• Orešje Okićko
• Orešnjak
• Orf1658
• ORF1658
• ORF-1658
• Orf-1658
• Orf 1658
• ORF 1658
• ORF3858
• ORF-3858
• ORF 3858
• Orf-5263
• Orf5263
• ORF-5263
• ORF 5263
• ORF5263