This study was carried out to examine the effect of board multiplicity on performance of consumer goods firms in Nigeria. The study adopted Ex Post Facto Design and data were collected from the annual reports and accounts of the listed consumer goods firms in Nigeria for the period ended 2017-2021. In order to determine the effect of board multiplicity on corporate performance, board multiplicity was measured using board gender multiplicity and board nationality multiplicity while corporate performance on the other hand was proxy by net assets per share. OLS model was used in the data analysis and the findings of the study indicate that there is a significant and positive relationship between board gender multiplicity, board nationality multiplicity and performance of consumer goods firms in Nigeria at 1%-5% significant level. Thus, the study concludes that board multiplicity ensures corporate performance in Nigeria. In lieu of this, the study recommended that consumer goods firms in the country should put in place a monitoring mechanism to identify the most accurate board structure that will help to sustain improved performance at all time and work out modalities to constantly review appropriate proportion of director's equity interest in relation to the total outstanding shares of the company. The relevant authorities should also ensure improved level of board activism in the industry by establishing relevant regulations with strict enforcement.