How to Write a Reference Letter (Template + Examples)
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A good reference letter does one job well: it gives a hiring manager a reason to trust the candidate before they have met. The reason has to be earned, which is why the letters that work are concrete. Anyone can call a person hardworking; a manager who describes the night the candidate rebuilt a broken report before a 9am board meeting is giving evidence, and evidence is what gets remembered.
Below is a professional reference letter template written by a manager about a former direct report, a breakdown of what each part does, a short guide on what to include and avoid, and a do-and-do-not list so your endorsement actually helps the person you are writing for.
Reference Letter template
Written by a manager about a former report. Replace the names, role, dates, and the example with your own real one.
Dear Ms. Carter,
I am pleased to recommend Priya Nair, who reported to me as a Data Analyst at Brightwave Media from March 2023 to May 2026. I managed her directly for three years, and I can speak in detail to both her work and the way she works with people.
Priya is the rare analyst who is trusted by the teams she supports, not just the ones who assign her tickets. The clearest example came last spring, when a vendor migration corrupted two months of revenue data the morning of a board review. Priya found the broken join, rebuilt the dashboard from raw logs, and had a verified version ready before the 9am meeting, then wrote up the failure so it could not recur. She did this calmly and without being asked to lead, which is exactly why people kept asking her to.
Beyond that one morning, she raised the standard of every report she touched: clear documentation, reproducible queries, and a habit of explaining her numbers in plain language to non-technical stakeholders. She mentored two junior analysts who are now strong contributors in their own right.
I recommend Priya without reservation and would gladly hire her again. Please feel free to contact me if I can answer any questions.
Sincerely,
Daniel Brooks
What each part is doing
- The relationship: One opening line stating who you are, who you are recommending, and exactly how and how long you have known them. This is what gives the letter credibility.
- The specific example: A real, concrete story of something the person did. This is the heart of the letter and the part a reader remembers.
- The broader strengths: A short paragraph generalizing from the example to the skills and qualities the person consistently shows.
- The clear endorsement: A direct closing line that you recommend them, plus an offer to be contacted. No hedging.
What to include in a reference letter
Open by stating your relationship in plain terms: your name, your role, the candidate name, and how long and in what capacity you worked together. A reader weighs a reference by how well the writer actually knew the person, so make that obvious in the first sentence. If you can, tie it to the role they are applying for.
Then give one genuine, specific example. Pick a single moment or project where the person showed the quality that matters most, and tell it with enough detail that it could only be them. End with an unambiguous statement that you recommend them and an offer to answer questions, ideally with a way to reach you.
What to avoid
Avoid a wall of generic adjectives. Hardworking, dedicated, and team player mean nothing without a story behind them, and a letter that is all praise and no evidence reads as a favor rather than a judgment. Do not exaggerate or invent achievements either; a reference that overclaims falls apart the moment someone asks a follow-up question.
Do not write a reference you do not believe. If you cannot endorse the person honestly, it is kinder and more professional to decline than to send something tepid that signals doubt between the lines. And keep it to one page; a focused half-page with one strong example beats three pages of filler.
Reference Letter do's and don'ts
Do
- State how you know the person and for how long, up front.
- Anchor the letter in one concrete, true example.
- Tailor the strengths you highlight to the role they want.
- End with a clear, unhedged recommendation.
- Offer a way to be contacted for follow-up questions.
Don't
- Do not rely on generic adjectives with no evidence.
- Do not exaggerate or invent achievements.
- Do not write one you cannot honestly stand behind.
- Do not let it run past a single page.
- Do not include private details the person would not want shared.
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Frequently asked questions
How long should a reference letter be?
One page, often half a page. A focused letter with a clear relationship, one strong example, and a direct recommendation carries more weight than a long one. Readers skim, so the specific story should be easy to find and quick to read.
What is the difference between a reference letter and a letter of recommendation?
In practice the terms overlap and are often used interchangeably. A reference letter tends to be a more general endorsement of someone you have worked with, while a letter of recommendation is usually written for a specific application, such as a particular job or school. The structure and rules are the same: state your relationship, give a concrete example, and recommend clearly.
What if I cannot write a strong reference?
It is better to decline politely than to write a lukewarm letter. A tepid reference can quietly hurt the candidate more than no letter at all, because readers notice the absence of enthusiasm. You can simply say you do not feel you are the best person to speak to their work, which is fair and professional.
Who should I address the letter to?
If you know the recipient, address them by name, for example Dear Ms. Carter. If you do not, To Whom It May Concern is acceptable and standard for a general reference the candidate may reuse across applications.
