Universal Members

Gratitude Letter

A positive psychology worksheet guiding clients to write a gratitude letter, covering what the person did, its impact then and now, and how to deliver it.

1-page fillable PDF · US Letter (prints on A4) · Positive psychology

Key facts

Approach / concern
Universal
Technique
Positive psychology
Format
Fillable PDF, 1 page (US Letter / A4)
Access
Pro and Advanced plans (3-day free trial)
For
Licensed clinicians to use with clients
Updated
October 2026

What is the Gratitude Letter?

The gratitude letter (and gratitude visit) is a positive psychology intervention in which people write and, ideally, deliver a letter thanking someone who made a meaningful difference in their lives.

Why it works

In a randomized trial, the gratitude visit produced large immediate increases in happiness and decreases in depressive symptoms, lasting about a month (Seligman et al., 2005). Writing gratitude letters has also been linked with increased happiness and life satisfaction for writers (Toepfer et al., 2012).

When to use it

  • Low mood and negativity
  • Strengthening relationships
  • Grief (letters to the deceased, adapted)
  • Positive psychology groups

How to use it in session

  1. Choose a person who made a real difference.
  2. Write specifically using the prompts.
  3. Decide whether and how to deliver it.
  4. Rate mood before and after.
  5. Reflect on the experience in session.

Clinician tips

  • Specific details make the letter more meaningful.
  • Delivery is optional; writing alone has value.
  • For deceased loved ones, a continuing bonds letter may fit better.

Worked example

Dear Ms. Patel, When I was failing grade 10 math, you stayed after school with me every Tuesday… It made me believe I could learn hard things. Today I’m an engineer. Mood: 5 → 8.

Sharing with clients

Members can download the PDF to print or email, or copy a private client link from the download box. Your client opens the link and downloads the worksheet on any device. No client account is needed, and nothing your client writes is stored on TherapyAid.

Frequently asked questions

Do I have to send the letter?

No. Writing it has benefits on its own, though delivering it often amplifies the effect.

What if the person has died?

You can still write it. A continuing bonds letter or reading it at a meaningful place can be powerful.

References

Seligman, M. E. P., Steen, T. A., Park, N., & Peterson, C. (2005). Positive psychology progress: Empirical validation of interventions. American Psychologist, 60(5), 410-421.

Toepfer, S. M., Cichy, K., & Peters, P. (2012). Letters of gratitude: Further evidence for author benefits. Journal of Happiness Studies, 13(1), 187-201.

This worksheet is an educational tool for use by, or under the guidance of, a licensed or registered mental-health professional. It is not a diagnostic instrument or a substitute for clinical judgement. If a client is in crisis in Canada, call or text 9-8-8 or call 9-1-1.