Catherina McKiernan (born 30 November 1969 in Cornafean, County Cavan) is a former long-distance runner from Ireland, who competed in the marathon, 10,000 metres and cross country running.

McKiernan has held the Women's national record for the Marathon since 1998 when she achieved a time of 2:22.23 in the Amsterdam Marathon.

[1][2] She has also held the national record for 15 km and the half marathon since 1997.

As of 2012, McKiernan is a running instructor that offers workshops on the technique of ChiRunning.

[3] As well as appearing on the international stage Catherina has won national titles at: