Who do the 49ers play next year?

The 49ers will play their division rivals (Seattle, St. Louis, Arizona) twice.

They will play the NFC South (Carolina, Atlanta, New Orleans, Tampa Bay)

They will play the AFC South (Indianapolis, Tennessee, Houston, Jacksonville)

They will play the NFC East and NFC North teams that match the Niners finishing position in their division - i.e. if the Niners win the NFC West they play the NFC East and NFC North division champs.