Summary: It has been suggested that quantum particles are genuinely vague objects [E. J. Loewe, Vague identity and quantum indeterminacy, Analysis 48, 128–130 (1994)]. The present work explores this suggestion in terms of the various metaphysical packages that are available for describing such particles. The formal frameworks underpinning such packages are outlined and issues of identity and reference are considered from this overall perspective. In doing so we hope to illuminate the diverse ways in which vagueness can arise in the quantum context.