Digital fingerprint may refer to:

• Message digest, the output of a one-way function when applied to a stream of data
  • Public key fingerprint, short sequence of bytes used to identify a longer public key
• Fingerprint (computing)
  • Acoustic fingerprint, a condensed digital summary generated from an audio signal
  • Device fingerprint, a compact summary of software and hardware settings collected from a remote device, for example a computer or a web browser
  • Digital video fingerprinting, a technique to summarize characteristic components of a video recording
  • TCP/IP stack fingerprinting, the remote detection of the characteristics of a TCP/IP stack
  • Content ID, a Google technology used on YouTube to identify content protected by copyright