Reddaway may refer to:

• Reddaway (trucking company), American subsidiary of YRC Worldwide
• David Reddaway (born 1953), British former ambassador to Turkey
• John Reddaway (1916–1990), British diplomat
• Norman Reddaway (1918–1999), British civil servant and diplomat
• William Fiddian Reddaway (1872–1949), English historian

• PCRF (disambiguation)
• P. crocea
• PCR overlap extension mutagenesis
• PCRPi-DB
• Pcr test
• PC RUSH
• PCRUSH
• PcRUSH.com
• PcRUSH.com / ATMAN Inc.
• P. Cruz Villalón
• P:CSA
• P. C. Sarkar
• P:CSB
• PCSB Bank
• P. C. Schmerling
• PCS Credit Union
• PC Screen Font
• PC Selby
• P.C Sengupta
• PC Shell
• P. C. Shine
• P.C.Silva
• PCSK1 (gene)
• PCSK2 (gene)
• PCSK4 (gene)