Catherine Elizabeth Maples "Cate" Waynick (born November 13, 1948) is an American Anglican bishop.
She was the tenth bishop of the Episcopal Diocese of Indianapolis from 1997 to 2017.
She was elected Bishop Coadjutor of the Episcopal Diocese of Indianapolis in January 1997, was consecrated on June 7 of that year, and became the Diocesan Bishop on September 10, 1997.
She succeeded Edward Witker Jones, who served from 1978 to 1997.
At the 2015 Diocesan Convention, Bishop Waynick announced plans to retire, and called for the election of a new bishop to be consecrated in 2017.
She was succeeded by Jennifer Baskerville-Burrows on April 29, 2017.
Bishop Waynick was called to serve as Provisional Bishop for the Episcopal Diocese of Eastern Michigan on October 21, 2017.