Eric Abetz is the Minister Assisting the Prime Minister for the Public Service for Australia.
The full portfolio closest to what you asked is the Minister for the Public Service and Integrity, this portfolio is currently held by The Hon Gary Gray MP.
Motloheloa Phooko is the Minister of Public Service for Lesotho.
Henry Muganwa Kajura is the Minister of Public Service for Uganda.
Vitoria Dias Diogo is the Minister of Public Service for Mozambique.
Baron Divavesi Waqa is the Minister for Public Service for Nauru.
Sezi Mbaguta is the Minister of State for Public Service for Uganda.
Stanley Sofu is the Minister of Public Service for the Solomon Islands.
Commodore Josaia Voreqe Bainimarama is the Minister for Public Service for Fiji.
Doctor Jennifer Westford is the Minister of Public Service Management for Guyana.
The name of Uganda's State Minister for Public Service is Sezi Mbaguta.
Joe Natuman is the Minister Responsible for Public Service Commission for Vanuatu.
Jean Claude Kibala is the Minister of Public Service for the Democratic Republic of the Congo.