Dan Andriano (born 1977 in Elgin, Illinois) is the bassist and co-vocalist (alongside vocalist/guitarist Matt Skiba and drummer Derek Grant) for the punk rock band Alkaline Trio. Andriano joined the band after original bassist Rob Doran left in late 1997. For Your Lungs Only, a four-song E.P., was the first release to feature Andriano on bass. Andriano would begin writing songs with Alkaline Trio beginning with the band's first L.P., Goddamnit. Formerly the bassist for the ska-punk band Slapstick.