| Nataly Arias | |
| Fullname: | Katherine Nataly Arias Peña |
| Birth Date: | 1986 4, df=yes |
| Birth Place: | Arlington County, Virginia, U.S. |
| Currentclub: | Formas Íntimas |
| Position: | Defender |
| Collegeyears1: | 2004–2008 |
| Nationalyears1: | 2010–2016 |
| Nationalteam1: | Colombia |
| Nationalcaps1: | 60[1] |
| Nationalgoals1: | 6 |
| Ntupdate: | 9 August 2023 |
Katherine Nataly Arias Peña (born 2 April 1986) is a Colombian international footballer who currently plays as a center back. She represented Colombia at the 2011 FIFA Women's World Cup in Germany, 2012 Summer Olympics in London and 2015 FIFA Women's World Cup in Canada as well as the 2016 Summer Olympics in Brazil.