Anna-Lena Grönefeld, German tennis player
Anna-Lena Grönefeld (also spelled Groenefeld; born 4 June 1985) is a German retired professional tennis player.

Competing as a professional from 2003 until 2019, she won one singles title on the WTA Tour, at the 2006 Mexican Open, and reached the quarterfinals of the 2006 French Open. She is a two-time Grand Slam champion in mixed doubles, having won the 2009 Wimbledon Championships alongside Mark Knowles, and the 2014 French Open with Jean-Julien Rojer. Grönefeld also finished runner-up in mixed doubles at the 2016 Wimbledon Championships and 2017 French Open.

In women's doubles, Grönefeld won 17 WTA Titles, most notably the 2005 Rogers Cup with Martina Navratilova, and reached seven Grand Slam semifinals. She was part of the German team which reached the final of the 2014 Davis Cup, and competed at the 2012 and 2016 Olympic Games.