- Aaron
- Abbess
- Abbott, E. A.
- Abergavenny, Lord
- Abhorson
- ‘above’
- Abraham
- Abram
- academic drama
- Achilles
- act and scene divisions
- Act to Restrain Abuses of Players
- act-intervals
- acting profession, Elizabethan and Jacobean
- acting, Elizabethan
- Adam
- Adams J. C.
- Adams, Joseph Quincy
- adaptation
- Addenbrooke, John
- Addison, Joseph
- Admiral's Men
- Adonis
- Adrian
- Adriana
- advertising
- aediles
- Aegeon
- Aemilia
- Aemilius
