久保田株式会社（日语：株式会社クボタ，英语：Kubota Corporation）是一家成立于1890年的日本企业。本社位于大阪府大阪市浪速区。

产业机械（农业机械、建设机械等）、产业用发动机、基础建设（污水净化、下水道系统、产业用钢管等）。它同时在东证1部、大证1部和纽约证券交易所上市。

Kubota Corporation(株式会社クボタ,Kabushiki-kaisha Kubota) is a tractor and heavy equipment manufacturer based in Osaka, Japan. One of its notable contributions was to the construction of the Solar Ark. The company was established in 1890.

The company produces many products including tractors and agricultural equipment, engines, construction equipment, vending machines, pipe, valves, cast metal, pumps and equipment for water purification, sewage treatment and air conditioning.