Christian Nagiller (born 24 June 1984) is an Austrian former ski jumper.

Nagiller debuted in the FIS Ski Jumping World Cup in January 2000.

During the 2002–03 season he became an established member of the Austrian team.

In that season came his biggest achievements – a win at Hakuba and second place at Sapporo.

He also attempted 220m at Kulm but fell (his personal best is 203m).