Yes. Distilled water is ordinary water with the dissolved minerals boiled away, and drinking it causes no harm to a person eating a normal diet. The reason people ask is that it sits on the shelf next to battery acid and iron cleaner, which makes it feel industrial. The real objections to living on it are practical, not medical.
Why the question comes up at all
Distilled water is stocked in hardware aisles and automotive sections, labeled for steam irons, humidifiers and lead acid batteries, and often sold in containers that look nothing like a drinks bottle. None of that reflects the contents. Food grade distilled water in a sealed food grade jug is the same water in either aisle, and the only thing to check is that the container is intended for food contact and has not been reused for something else.
The practical objections to a household running on it
You have to buy it, carry it, store it and never run out, and a family gets through far more water than people estimate once cooking, coffee, ice and pets are counted. Opened jugs are perishable because there is no disinfectant residual protecting them, so a half used container left on a counter is not indefinitely safe. Compared with treating the supply once and forgetting it, buying water is the higher effort option every single week.
Where it genuinely makes sense
Short term situations suit it well: a boil notice, a well that has just failed a test and is awaiting shock chlorination, a rental where you cannot fit equipment, or an emergency store kept sealed and rotated. In those cases distilled or any sealed bottled water bridges the gap while the real fix is arranged. It is a bridge, not a destination, and treating it as a permanent plan is how households end up spending far more than a filter would cost.
The better default for most homes
Find out what is actually in your water and treat that. Every community water system publishes an annual Consumer Confidence Report and the EPA maintains a finder for it, so a municipal household can read the detected contaminants for free. A well owner needs a lab test, which our well water testing guide walks through. From either result, a carbon filter or a reverse osmosis system at the sink usually settles the question permanently.
Questions people ask about can people drink distilled water
Is the distilled water sold for irons safe to drink?
If the container is food grade, sealed and unused for anything else, the contents are the same water. Check the container rather than the aisle.
Can a whole family live on distilled water?
It is safe but impractical: the volume a household uses for drinking, cooking, coffee and ice makes buying and storing it a constant chore.
Does distilled water need to be refrigerated after opening?
Keep it capped and clean. There is no disinfectant residual protecting it, so an open container standing warm can pick up bacteria and odors.
Is distilled water good for emergency storage?
Sealed containers store well and rotate easily. For a longer term supply, sealed bottled drinking water is equally suitable and usually cheaper.