The Simple Answer
No — olive oil is not a vegetable oil, by either the technical definition or the regulatory definition. For a complete overview, see our Olive Oil Comparisons guide.Olive oil is a fruit oil, specifically the oil pressed from the fruit of the olive tree (Olea europaea). This distinction matters for both nutritional reasons and regulatory classification.
The confusion exists because the term "vegetable oil" is used loosely in cooking contexts to mean "any cooking oil," but in nutritional, regulatory, and botanical contexts, "vegetable oil" refers specifically to seed oils extracted from oilseed crops.
The Technical Definitions
Vegetable oil: In nutrition and food science, "vegetable oil" refers to oils extracted from seeds, grains, or legumes — not from fruits. The standard vegetable oils are soybean oil, canola oil (from rapeseed), corn oil, sunflower oil, safflower oil, and similar. These are all extracted from the seeds or other parts of broad-leaf plants classified as vegetables or field crops.
Olive oil: Extracted from the fruit of a tree (the olive). Botanically, an olive is a drupe — a fruit with a single seed (the pit). This places it in the same botanical category as almonds, cherries, and avocados. It is not a vegetable in any botanical sense.
The regulatory distinction: In the United States, the FDA defines "vegetable oil" as the oil from one or more vegetable sources, excluding olive oil as a specific named commodity. Olive oil has its own standard of identity separate from "vegetable oil." This is why you see olive oil on its own section of grocery store shelves, separate from the seed oils.
The Codex Alimentarius standard: The international food standard distinguishes between "olive oils" (olea europaea products) and "vegetable oils" (from other sources). Olive oil is specifically excluded from the vegetable oil category.
Why the Distinction Matters
The olive oil vs. vegetable oil distinction is not pedantic — it reflects meaningful differences:
Fatty Acid Profile
Olive oil is high in monounsaturated fat (oleic acid, typically 55–83% depending on variety) and contains meaningful polyphenol content when unrefined.
Seed/vegetable oils like soybean, canola, and corn are higher in polyunsaturated fats (linoleic acid, alpha-linolenic acid). This is not inherently bad — polyunsaturated fats are essential — but they are more oxidatively unstable at high temperatures.
Nutritional Compounds
Extra virgin olive oil contains polyphenols (oleocanthal, hydroxytyrosol, oleuropein) that have documented anti-inflammatory and cardiovascular benefits1.
Refined vegetable oils (the commodity oils on grocery shelves) have had virtually all their polyphenol content stripped away during refining. They provide fatty acids but no meaningful bioactive compounds.
Smoke Points
Olive oil (EVOO): 190–215°C Smoke point. Suitable for low-to-medium heat cooking.
Vegetable oils (refined): Canola 204°C, sunflower 232°C, soybean 234°C. Generally more suitable for high-heat cooking due to higher smoke points.
However: smoke point is not the only determinant of cooking suitability. The health profile at cooking temperatures, and what happens to the oil's compounds when heated, also matter.
The Culinary Difference
In cooking, the differences are significant:
Flavor: Olive oil has distinct, recognizable flavor — grassy, fruity, peppery depending on variety. Vegetable oils are typically flavor-neutral or nearly so. If you want olive flavor, use olive oil. If you want neutral fat, vegetable oils are a better choice.
What they cook like: Olive oil in cooking contributes its flavor to the dish. Vegetable oils disappear into the dish without contributing flavor. Many cuisines — Mediterranean, Middle Eastern, North African — are built around olive oil's flavor as an ingredient, not a neutral carrier.
The Health Framing
The common claim "olive oil is a vegetable oil and therefore unhealthy" is a misapplication of the term "vegetable oil." When people say this, they are usually using "vegetable oil" to mean "any plant-based oil, including seed oils, some of which are highly processed."
Olive oil does not share the processing characteristics of commodity seed oils. It is pressed (not solvent-extracted in most cases), is not partially hydrogenated, and retains its polyphenol content when properly produced. Referring to it as a "vegetable oil" in the sense that critics intend is technically incorrect.
The Bottom Line
Olive oil is not a vegetable oil:
- Botanically: it is a fruit oil, from a tree, not a seed
- Nutritionally: it has a different fatty acid profile and retains polyphenols that seed oils lose in processing
- Regulators: it is specifically classified separately from vegetable oils by the FDA, IOC, and Codex Alimentarius
- Culinarily: it has distinctive flavor that seed oils don't have
The question "is olive oil a vegetable oil?" is really asking "is olive oil as processed and unhealthy as commodity seed oils?" The answer is no — by every meaningful measure.
Frequently Asked Questions
Is olive oil classified as a vegetable oil?
No — olive oil is a fruit oil, not a vegetable oil. It is extracted from the olive fruit (a drupe, botanically similar to plums and cherries), not from seeds or vegetables. The term "vegetable oil" in food classification refers to oils extracted from seeds (canola, sunflower, soybean) or other plant sources excluding olives. Refined olive oil is sometimes grouped with other "vegetable oils" in retail contexts by lazy categorization, but botanically and nutritionally, olive oil is categorically distinct from seed-based vegetable oils. The fatty acid profile (high monounsaturated omega-9 vs high polyunsaturated omega-6) and extraction method (mechanical vs chemical solvent) are fundamentally different.1
What is the difference between olive oil and vegetable oil?
Olive oil is a fruit oil with high monounsaturated fat and polyphenols; vegetable oils are typically seed oils with high polyunsaturated omega-6 fat. The extraction methods differ: olive oil is mechanically pressed or centrifuged; seed oils require hexane solvent extraction. Nutritionally, olive oil's monounsaturated fat is more oxidatively stable at cooking temperatures than polyunsaturated seed oils. Olive oil retains its polyphenol fraction; seed oils lose any naturally occurring antioxidants during refining. The health evidence for olive oil (cardiovascular protection, anti-inflammatory effects) specifically applies to the polyphenol fraction in EVOO, not to refined vegetable oils.1
Are vegetable oils inflammatory?
Some vegetable oils high in omega-6 linoleic acid (sunflower, soybean, corn oil) may contribute to chronic low-grade inflammation when consumed in excess relative to omega-3 intake. The modern Western diet has a skewed omega-6:omega-3 ratio (15:1 to 20:1 vs the ancestral 4:1) that may promote inflammation. However, this is primarily from overall dietary pattern, not from any specific oil used in moderation. Olive oil's omega-9 monounsaturated fat does not share this inflammatory profile. The key is overall dietary balance — using olive oil as the primary cooking fat is a step toward a healthier omega balance.1
ReferencesCouncil. "Trade Standards for Olive Oil." https://www.internationaloliveoil.org/our-products/olives/
1. USDA FoodData Central. "Oil, Olive, Extra Virgin." https://fdc.nal.usda.gov/fdc-app.html