Top Top Christian Philosophers Through History
1) Thomas Aquinas
2) Immanuel Kant
3) Soren Kierkeggard
4) Emmanuel Levinas (technically perhaps a Jewish philosopher, but based on Christian values none the less)
5) Martin Buber (technically a Jewish philosopher)
6) Alvin Plantinga
7) CS Lewis
8] Norman Geisler
9) Martin Luther
10) Francis Shaffer
This list is somewhat arbitrary, but provides some helpful guidelines in terms of some of the more respected philosophers.
If you want a broader list, you could go to this theology website (link) and pick the specific time-period you are interested in.