Walter Horace Kofi-Sackey was a Ghanaian lawyer and a Politician and also a member of the first parliament of the second Republic representing the Bantama Constituency in the Ashanti Region of Ghana. He was a solicitor and ministerial secretary (deputy minister) for Works in the Busia government.

Walter was born on 2 September 1932. He was educated at the Accra Academy from 1947 to 1950. He proceeded to Achimota College from 1950 to 1952 for his sixth-form education. He continued at the London School of Economics, a constituent college of the University of London from 1954 to 1957.

He was called to the bar at Lincoln's Inn on 24 June 1958 and the Ghana bar on 24 July 1958. He entered private legal practice that same year. He practiced in Kumasi. He was a member of the Ashanti Bar Association (the Ashanti Regional branch of the Ghana Bar Association) and also became president of the association.

In 1969, he was elected as a member of parliament for Bantama a constituency in the Ashanti Region of Ghana on the ticket of the Progress Party. He contested with Bonsu Osei-Tutu of the National Alliance of Liberals and Samuel Kwabena Danso of the United Nationalist Party.

That same year he was appointed deputy minister for Works. He served in that position until 1972 when the Busia government was overthrown. As was the norm of every military government that inherited power through a coup d'état, he and other top officials of the then erstwhile Progress Party were arrested without trial and detained for fifteen months.

A ban was formally placed on all political parties and political activities on 16 January 1972, three days after the coup d'état. A committee was set up to investigate the assets of top officials of the party of which he was included on 9 February 1972.

The adverse findings leveled against him and other party members by the committee were revoked by a review tribunal in 1979. He and some members of the party namely; Haruna Esseku, Bukari Adama, and Alhaji Bukari consequently filed petitions against the adverse findings of the committee which was in turn dismissed by the tribunal.

He married Mrs. Valerie Sackey (née Lindoe) in 1957. She was head of the Castle Information Bureau (CIB) during the PNDC era. Valerie Sackey was a teacher at Opoku Ware School; and also an officer with the Department of Game and Wildlife. Together they had three children; Michael, Joseph, and Anne.