大脚筒（学名：Eria ovata）为兰科毛兰属下的一个种。

Eria ovata is a species of orchid found from the Ryukyu Islands and ****** to the Philippines. It is an epiphyte that is found growing from 500 to 2,550 meters elevation. This species is erect and sympodial with pseudobulbs of 20 cm long by 1.2 cm diameter. It has about 4 leaves that are linear-oblong to oblong-lanceolate of 15 cm long and 2.1 cm wide.