Emma is a beautiful young woman raised on a farm but educated in a convent, where she developed a rich inner life fueled by romance novels. She craves emotional stimulation and grandeur, feeling intensely dissatisfied with the mundane realities of provincial life. Finding herself increasingly bored by her surroundings and her marriage, she actively seeks out the passion and drama she believes she deserves.

Charles is an unexceptional but deeply well-meaning doctor who practices medicine in rural French towns. He approaches life with a straightforward, simple mindset and generally follows the path laid out for him by his controlling parents. He places Emma on a pedestal, finding absolute happiness in his domestic life with her while remaining oblivious to her growing dissatisfaction.

Monsieur Homais is the energetic pharmacist in Yonville-l’Abbaye who loves to insert himself into public affairs. He actively pontificates on progressive philosophies, science, and anti-religious sentiments to anyone who will listen. He eagerly befriends Charles upon the doctor's arrival, hoping to maintain a good relationship to protect his own illicit medical practices.

Rodolphe is a wealthy bachelor who lives on a large estate called Huchette near Yonville-l’Abbaye. He possesses a confident charm and a cynical view of societal morality, preferring to pursue his own desires without restriction. Recognizing Emma's boredom and vulnerability, he quickly decides to use his practiced seduction techniques on her.

Léon is a young law clerk renting a room with Monsieur Homais in Yonville-l’Abbaye. He shares Emma's frustration with provincial boredom and connects with her instantly over a mutual love of art, literature, and romantic ideals. Though he harbors deep feelings for Emma, his natural shyness and respect for social boundaries cause him significant internal conflict.

Monsieur Lheureux operates a shop in the area, offering both luxury items and loan services. He possesses a keen eye for human weakness and quickly identifies Emma's desire for expensive things as an opportunity for his own profit. He operates with a smooth, calculating demeanor that masks his predatory business practices.

Monsieur Rouault is Emma's father, a relatively successful but financially careless farmer who mourns his late wife deeply. He recognizes his own poor management skills and happily agrees to Charles's proposal, eager to see his daughter secured in a stable marriage.

Berthe is the infant daughter of Emma and Charles Bovary. Because she is a girl, her birth disappoints Emma, who hoped for a boy who could experience the freedoms denied to women. She spends much of her early life cared for by a wet nurse while her mother remains emotionally distant.

Charles's father is a former army surgeon who married into money and quickly squandered his wife's fortune on partying and personal indulgence. He maintains a boisterous, irresponsible attitude toward life, often telling grand stories of his past misdeeds.

Charles's mother is a practical, controlling woman who compensates for her husband's financial failures by strictly managing her son's life. She secures his medical education, his first job, and his first wife, but frequently clashes with Emma over household management and Charles's affections.

Héloise is Charles's older first wife, chosen for him because she supposedly possesses a comfortable income. She proves to be a nagging, demanding partner who quickly becomes suspicious of Charles's visits to the Rouault farm before her sudden, premature death.

Madame Lefrancois is the busy, observant widow who runs the popular local inn in Yonville-l’Abbaye. She keeps a close eye on the habits of her regular customers and readily shares town gossip with figures like Monsieur Homais.

Monsieur Binet is the local tax collector in Yonville-l’Abbaye and a remarkably punctual regular at Madame Lefrancois's inn. He maintains a rigid schedule and interacts very little with the other townspeople during his silent, patient waits for his meals.

Justin is the young, impressionable assistant working in Monsieur Homais's pharmacy. He frequently endures his employer's temper and takes directions from those he views as holding authority.

Félicité is the young housekeeper whom Emma takes on and specifically trains to serve her in the manner of a wealthy, aristocratic lady. She observes her mistress's shifting moods and quiet frustrations within the Bovary household.

Hippolyte is a local stable hand who lives with a club foot. He becomes the reluctant subject of a new medical procedure when Monsieur Homais convinces Charles to attempt a corrective surgery on him to boost the doctor's reputation.

Doctor Canivet is an established, experienced doctor called into Yonville-l’Abbaye when a medical procedure goes terribly wrong. He holds rural practitioners in contempt and views local medical attempts with deep professional skepticism.

Djali is a greyhound gifted to Emma early in her marriage. She serves as a companion on long, restless walks, though she eventually runs away during the Bovarys' move to Yonville-l’Abbaye, causing Emma great distress.