Symplocos zizyphoides is a plant in the family Symplocaceae, native to Borneo. The specific epithet zizyphoides refers to the species' resemblance to those in the genus Ziziphus.
Symplocos zizyphoides grows as a shrub or tree up to 10m (30feet) tall. The brown twigs have a zig-zag shape. The leathery leaves are ovate and measure up to long. The inflorescences feature racemes of up to four white flowers, or flowers may be solitary.
Symplocos zizyphoides is endemic to Borneo, where it is known mainly from Mount Kinabalu in Sabah. Its habitat is montane forests, at elevations of .