Deplanchea bancana is a tree in the family Bignoniaceae. It is named for Sumatra's Bangka Island.
Deplanchea bancana grows up to tall with a trunk diameter of up to . The fissured bark is white to brown. The flowers are yellow and 5-lobed. The fruits are oblong and measure up to long.
Deplanchea bancana grows naturally in Sumatra, Peninsular Malaysia and Borneo. Its habitat is lowland forests from sea-level to altitude.