People rarely ask this question casually. It tends to come up after someone has already been hurt by it — told they couldn't sit for a ceremony, left out of a ritual role they expected to fill, or quietly informed by a relative that their marital status now disqualifies them from something they used to do without a second thought. So before getting into specifics: can a widow, a widower, or an unmarried person perform puja? Yes. The harder and more useful question is why so many people have heard otherwise.
The mix-up at the root of this
Almost every version of this confusion comes from collapsing two separate questions into one. The first is spiritual eligibility: can this person pray, make offerings, do sankalpa, light a lamp, and worship with devotion? For ordinary puja, the answer has always been broadly yes, regardless of marital status. The second is ceremonial role: in this specific ritual, is there a traditionally assigned part for a married couple or a yajamana-spouse pair? Sometimes, yes. Those two questions get asked separately in the texts and traditions that actually define them, but in everyday conversation they get flattened into one — and a convention about who sits in a particular ceremonial seat quietly turns into a claim about who is allowed to worship at all.
Where the second question genuinely applies
To be fair to the confusion, the ceremonial-role question is real in some contexts. Certain grihastha-centered rituals, specific marriage-related observances, and some samskaras do frame a role around a married couple acting jointly as yajamana and spouse. A priest or a family's own tradition may prefer that pairing for that particular ceremony. But notice what that sentence is actually claiming — a preference about who fills one role in one ritual. It says nothing about whether an unmarried person, a widow, or a widower can light a lamp, recite a prayer, or perform a Ganesha puja at their own altar. Those are different scopes entirely, and conflating them is the whole problem.
Unmarried, widowed — does it change anything at home?
In ordinary household worship, no. Students, single adults, widows, and widowers all perform daily puja, deity worship, vrata observance, and festival rituals exactly as anyone else does — lighting the lamp, offering flowers and naivedyam, reciting sankalpa, joining aarti. Household life is one path of dharmic living, not the gate to devotion itself. Widowhood in particular has accumulated a great deal of social baggage over generations — stigma and customs that originated in specific regional or family histories, not in a universal rule that bereavement disqualifies someone from prayer. If anything, many people find puja becomes more important after loss, not less — a place for grounding and remembrance rather than something grief should be allowed to take away.
How a local custom becomes "the rule"
It's worth understanding the mechanism, because it explains why well-meaning people repeat these restrictions with total sincerity. A family develops a pattern — perhaps a grandfather always led a particular ceremony with his wife seated beside him — and over a generation or two, that specific household pattern gets spoken of as though it were Hindu law rather than one family's habit. Social discomfort around grief or marital status gets mixed in with ritual language, so that what's really inherited conservatism starts sounding like sacred principle. And because some ceremonies do symbolically center a householder couple, people overgeneralize from "this ceremony has a role for a couple" to "puja in general is for married people." None of these are malicious. They're just customs that drifted from "how we do it" to "how it must be done."
What to do if your own family insists otherwise
This is where the answer gets relational rather than purely theological. If a family carries a strong inherited custom, you may still choose to follow it in their presence for the sake of harmony — that's a reasonable, common choice. But following a family pattern out of respect is different from internalizing the idea that you are spiritually unfit. One is navigating a relationship; the other is accepting a falsehood about your own standing before the divine. Keeping that distinction clear protects something important even when you decide to go along with the custom anyway.
A working principle
Assume sincere worship is open to you unless a specific ritual tradition clearly assigns a narrower ceremonial role for a specific purpose — and even then, that narrower role applies only to that ritual, not to your standing as a devotee. That is a far healthier starting point than assuming exclusion and spending years trying to earn your way back into something that was never actually closed to you.
Why this keeps mattering
Families today are more varied than the customs many of these rules were built around — people live alone, marry later, remain unmarried by choice, lose spouses, and reconnect with tradition after long gaps away from it. A widow can perform puja. A widower can perform puja. An unmarried person can perform puja. The question that actually needs answering, ritual by ritual, isn't whether a person has access to devotion — it's what specific role, if any, a given ceremony assigns. Once that distinction is clear, a great deal of unnecessary fear simply has nowhere left to attach itself.