Eck may refer to:
- Ballistic: Ecks vs. Sever, 2002 movie starring Lucy Liu and Antonio Banderas
- Ecks vs. Sever, a Game Boy Advance game based on the movie
- Behold, Eck!, episode of the original The Outer Limits television show
- Deutsches Eck, German Corner where the Mosel meets the Rhein, in Koblenz
- Deutsches Eck (transport link), transport links from Salzburg to West Austria that cut the southeastern corner of Germany
- Eck en Wiel, town in the Dutch province of Gelderland
- ECK master, or the Order of Vairagi Adepts, are spiritual figures who assume spiritual leadership of the ECKANKAR religion
- Eck Stadium, sometimes referred to as Shocker Stadium, home of the Wichita State Shockers baseball team
- Eckankar, short name for Religion of the Light and Sound of God
- Electoral Commission of Kenya
- Frank Eck Stadium, baseball stadium in South Bend, Indiana
- HMS Loch Eck (K422), Loch-class frigate of the Royal Navy during World War II
- Loch Eck, Scotland
- Team ECK, later known as Team RECK, was a World Wrestling Federation (WWF) heel stable
- Van Eck phreaking, process of eavesdropping on the contents of a CRT or LCD display by detecting its electromagnetic emissions
- Van Eck Professorship of Engineering, at the University of Cambridge
- Van Eck radiation, another name for Compromising Emanations (CE), defined as unintentional intelligence-bearing signals
- Energo-Chromo-Kinese, an esoteric-oriented movement founded in 1987
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