For All We Know - The Carpenters
- Entered the US chart on 06 February 1971 and spent 13 weeks in the charts, reaching a high of number 3.
For All We Know - Billie Holiday 
- For All We Know - Dinah Washington
- For All We Know - Jackie & The Starlites
- For All We Know - Nicki French
- For All We Know - Nina Simone
- For All We Know - Shirley Bassey
- For All We Know - The Caslons
- For All We Know - The Orioles
- For All We Know - The Detroit Spinners