For All We Know" is a soft rock song written for the 1970 film Lovers and Other Strangers, with music by Fred Karlin and lyrics by Robb Wilson (Robb Royer) and Arthur James (Jimmy Griffin). Both Royer and Griffin were founding members of the soft rock group Bread. It was originally performed, for the film's soundtrack, by Larry Meredith.
This is the best known version of the song by American pop duo the Carpenters which reached No. 3 on the US Billboard Hot 100 chart and No. 1 on the US Billboard Easy Listening chart in 1971.

The song became a gold record. It won the Academy Award for Best Original Song in 1971.