'''McTiernan''' is a surname. Notable people with the surname include:
*Dervla McTiernan, Irish crime novelist *Edward McTiernan (1892–1990), Australian jurist, lawyer and politician *John McTiernan (born 1951), American film director and producer
==See also== * Alannah MacTiernan (born 1953), Australian politician * McKiernan Clan * McKernan (surname) * McKiernan * McTernan * Kernan (disambiguation) * Tiernan
{{surname|McTiernan}}