* Registrar: This is a very common title, particularly in larger polytechnics.
* Director of Administration: This title emphasizes the administrative function.
* Chief Administrative Officer (CAO): This is a more general title found in various organizations, including polytechnics.
* Vice President of Administration: This title is more common in larger institutions.
* Dean of Administration: Less common but possible.
To know the precise title, you'd need to check the specific polytechnic's organizational chart or website.