Gold spot fell 1.8% to $4,597.06/oz, its lowest in about a month, as the U.S. dollar strengthened.
Oil prices rose 3.37% amid geopolitical tension over the Strait of Hormuz, pressuring inflation expectations.
Ten central banks, including the BoJ (kept policy rate at 0.75% with three dissenters), Fed, ECB, and BoE, will announce rates this week.
Analysts anticipate a BoJ hike in June; higher oil and inflation could spur further global rate hikes.