Tiny Dynamine is an EP by Scottish alternative rock band Cocteau Twins, released on 4AD Records. The EP featured four non-album tracks. It was issued on 15 November 1985, two weeks prior to another EP, Echoes in a Shallow Bay. The two EP sets, which featured complementary artwork, were also released as a combined double EP in a gatefold cover and as an eight-track CD. The EP was reissued in 1991 as part of The Box Set and in 2005 as part of the singles/EP collection Lullabies to Violaine.