Lucy Muringo Gichuhi (née Munyiri) ( ) (born 23 September 1962) is an Australian politician who is a Senator for South Australia, sitting as an independent. She was declared to have been elected at the 2016 election for the Family First Party following a special recount on 13 April 2017 ordered by the High Court of Australia, sitting as the Court of Disputed Returns, following its decision that Bob Day had not been eligible to stand for election.