Eio or EIO may refer to:
*
Eio (river)
The Eio is a short but powerful river in the municipality of Eidfjord in Vestland county, Norway. It runs from Lake Eidfjord into Eid Fjord and is long. The river is the lowermost part of the Eidfjord river system, which, in addition to the Eio, ...
in Norway
*
Eio Books
Eio Books was an American-based small press publishing house founded in 2004 in the city of Brattleboro, Vermont. In 2011, it opened a second office in Ross, California. Begun by Sydney Longfellow and Ki Longfellow, it is primarily known for t ...
, an American publishing house
*
Eio Sakata
was a 9-dan rank, dan Japanese professional Go (board game), Go Go players, player.
Biography
Sakata became a professional Go player in 1935. His first title match was the Hon'inbō in 1951 when he challenged Hashimoto Utaro. More than usual ...
(1920–2010), Japanese professional Go player
*
Environmental Investment Organisation
The Environmental Investment Organisation (EIO) is a UK-based not-for-profit body dedicated to researching, proposing and implementing solutions to climate change. It has developed the ''Environmental Tracking'' (ET) concept, rebranded by ET Inde ...
*
European Investigation Order
A European Investigation Order (EIO) is a mechanism established under EU law by which a judge or magistrate in one EU member state can make a binding request to the law enforcement agencies of another member state to collect evidence to assist in ...
*
Extended interaction oscillator
The extended interaction oscillator (EIO) is a linear-beam vacuum tube designed to convert direct current to RF power. The conversion mechanism is the space charge wave process whereby velocity modulation in an electron beam transforms to cur ...
* Enhanced Input/Output, an extension interface for printers, see
JetDirect § EIO
*
Eiō
The is one of the eight major titles of professional shogi cosponsored by Fujiya Co. and the Japan Shogi Association (JSA). The tournament initially started out as a non-title tournament in 2015, but was upgraded to major title status in May 20 ...
, one of the
eight major titles of professional shogi
{{disambiguation