E39

E39 may refer to:
 * Tetrasodium EDTA, a cosmetics additive
 * BMW 5 Series (E39), the BMW 5 Series mid-size luxury car manufactured between 1995 and 2003
 * European route E39, a part of Norwegian national road system
 * HMS E39, a British E class submarine
 * E39 screw, a type of Edison screw
 * Asahikawa-Monbetsu Expressway, route E39 in Japan
 * Setiawangsa–Pantai Expressway, route E39 in Malaysia