The Xenon Codex is the fifteenth studio album by the English space rock group Hawkwind, released in 1988. It spent two weeks on the UK albums chart peaking at #79. The group's line-up remained unchanged for three years. The album was recorded at Loco Studios, Caerleon and Rockfield Studios, Monmouth in February and March 1988. It was produced with Guy Bidmead, who had previously been Vic Maile's assistant. The group undertook a 25 date UK tour in April to promote the album. The Hammersmith Odeon show on 21 April was recorded by BBC Radio 1 for broadcast as a 60-minute in-concert programme.