Irrelevant: Evidence doesn't relate to the case
Materiality: Evidence doesn't affect substantial rights
Cumulative: Evidence repeats already admitted evidence
Argumentative: Question argues with witness
Asked and Answered: Same question already asked
Assumes Facts Not in Evidence: Question presumes unproven facts
Compound Question: Multiple questions in one
Confusing/Misleading: Question is unclear or confusing
Narrative: Question calls for long, uncontrolled story
Leading: Suggests answer (objectionable on direct)
Non-Responsive: Witness doesn't answer question asked
Vague: Question is unclear or ambiguous
Repetitive: Unnecessarily repeats same question
Lack of Foundation: No basis for evidence/witness qualification
Lack of Personal Knowledge: Witness doesn't have direct knowledge
Speculation: Witness guessing without facts
Opinion: Lay witness giving improper opinion
Not Best Evidence: Original document not produced
Authentication: Document/witness not properly identified
Hearsay: Out-of-court statement offered for truth
Not Hearsay: Statement offered for other purposes
Present Sense Impression: Statement describing current event
Excited Utterance: Statement under stress of exciting event
Then-Existing Mental/Physical Condition: Statement of current state
Statement for Medical Diagnosis: Medical history statements
Recorded Recollection: Past recollection recorded
Business Records: Regularly conducted activity records
Public Records: Government agency records
Learned Treatises: Published authority statements
Ancient Documents: Documents over 20 years old
Family Records: Family history statements
Character Evidence: Improper character trait evidence
Propensity Evidence: Suggests action based on character
Prior Bad Acts: Evidence of other wrongs
Specific Instances of Conduct: Isolated past behavior
Habit: Regular response to specific situation
Routine Practice: Organization's regular procedure
Lack of Personal Knowledge: No firsthand knowledge
Improper Expert: Witness not qualified as expert
Competency: Witness unable to testify truthfully
Impeachment: Challenging witness credibility
Bias/Prejudice: Witness has partiality
Prior Inconsistent Statement: Contradicts earlier statement
Conviction of Crime: Prior criminal conviction
Specific Instances of Conduct: Past dishonest acts
Reputation for Truthfulness: Community opinion of honesty
Religious Beliefs: Improper use of religious views
Attorney-Client: Confidential legal communications
Doctor-Patient: Medical treatment communications
Psychotherapist-Patient: Mental health communications
Spousal: Communications between spouses
Clergy-Penitent: Religious confession communications
Self-Incrimination: 5th Amendment protection
Executive Privilege: Government executive communications
Informant's Privilege: Protecting confidential informants
Journalist's Privilege: Protecting news sources
Best Evidence Rule: Requires original documents
Authentication: Proof document is genuine
Chain of Custody: Evidence handling documentation
Parol Evidence Rule: Limits extrinsic contract evidence
Complete Writing Rule: Requires full document context
Alteration: Evidence has been changed
Contamination: Evidence improperly handled
Prejudice Outweighs Probative Value: More prejudicial than useful
Beyond Scope: Exceeds cross-examination scope
Improper Rehabilitation: Bolstering credibility improperly
Jury Nullification: Encouraging jury to ignore law
Golden Rule Argument: Asking jury to put themselves in position
Improper Bolstering: Enhancing credibility before attack
Curative Admissibility: Responding to improper evidence
Limited Admissibility: Evidence restricted to specific purpose
4th Amendment: Illegal search and seizure
5th Amendment: Self-incrimination protection
6th Amendment: Confrontation Clause violation
Due Process: Fair procedure violation
Equal Protection: Discrimination in application
Statute of Limitations: Time limit expired
Jurisdictional: Court lacks authority
Standing: Party lacks legal right to sue
Daubert/Objection: Expert methodology unreliable
Frye Standard: Expert method not generally accepted
Qualifications: Witness not properly qualified
Ultimate Issue: Expert decides case outcome
Legal Conclusion: Expert states legal conclusion
Unduly Prejudicial: More prejudicial than probative
Misleading: Creates false impression
Unfair Surprise: No prior disclosure
Gruesome/Inflammatory: Unnecessarily shocking
Altered/Doctored: Not accurate representation
Sound Recording: Poor quality or inaudible
Not Substantially Similar: Conditions don't match
Unreliable Methodology: Flawed testing procedures
Misstates Evidence: Incorrectly characterizes evidence
Misstates Law: Incorrect legal statements
Appeals to Passion/Prejudice: Emotional rather than factual
Personal Opinion: Lawyer gives personal views
Vouching: Lawyer guarantees witness truthfulness
Golden Rule: Asks jurors to put themselves in position
"Objection, foundation": No basis established
"Objection, calls for speculation": Witness must guess
"Objection, hearsay": Out-of-court statement
"Objection, leading": Suggests the answer
"Objection, relevance": Not related to case
"Objection, compound": Multiple questions
"Objection, assumes facts not in evidence": Presumes unproven facts
"Objection, best evidence": Original document required
"Objection, privilege": Protected communication
"Objection, beyond scope": Exceeds direct examination
Speaking Objection: Objection that suggests answer
Continuing Objection: Preserves issue for entire line
Motion to Strike: Remove improper evidence already heard
Motion in Limine: Pre-trial ruling on evidence
Offer of Proof: Preserves excluded evidence for appeal

This comprehensive list covers the major objection categories used in US courtrooms. The specific objections available may vary by jurisdiction and the rules of evidence applicable in each court.